diff options
| author | Alexey Dobriyan <adobriyan@gmail.com> | 2007-07-30 02:36:13 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-29 17:09:29 -0700 |
| commit | 4e950f6f0189f65f8bf069cf2272649ef418f5e4 (patch) | |
| tree | 95710bedf2a5aa3b61002f3399e0950192fdd504 | |
| parent | 673d5b43daa00b42759cecc6b0760b8bf6be80d2 (diff) | |
| download | kernel_samsung_aries-4e950f6f0189f65f8bf069cf2272649ef418f5e4.zip kernel_samsung_aries-4e950f6f0189f65f8bf069cf2272649ef418f5e4.tar.gz kernel_samsung_aries-4e950f6f0189f65f8bf069cf2272649ef418f5e4.tar.bz2 | |
Remove fs.h from mm.h
Remove fs.h from mm.h. For this,
1) Uninline vma_wants_writenotify(). It's pretty huge anyway.
2) Add back fs.h or less bloated headers (err.h) to files that need it.
As result, on x86_64 allyesconfig, fs.h dependencies cut down from 3929 files
rebuilt down to 3444 (-12.3%).
Cross-compile tested without regressions on my two usual configs and (sigh):
alpha arm-mx1ads mips-bigsur powerpc-ebony
alpha-allnoconfig arm-neponset mips-capcella powerpc-g5
alpha-defconfig arm-netwinder mips-cobalt powerpc-holly
alpha-up arm-netx mips-db1000 powerpc-iseries
arm arm-ns9xxx mips-db1100 powerpc-linkstation
arm-assabet arm-omap_h2_1610 mips-db1200 powerpc-lite5200
arm-at91rm9200dk arm-onearm mips-db1500 powerpc-maple
arm-at91rm9200ek arm-picotux200 mips-db1550 powerpc-mpc7448_hpc2
arm-at91sam9260ek arm-pleb mips-ddb5477 powerpc-mpc8272_ads
arm-at91sam9261ek arm-pnx4008 mips-decstation powerpc-mpc8313_rdb
arm-at91sam9263ek arm-pxa255-idp mips-e55 powerpc-mpc832x_mds
arm-at91sam9rlek arm-realview mips-emma2rh powerpc-mpc832x_rdb
arm-ateb9200 arm-realview-smp mips-excite powerpc-mpc834x_itx
arm-badge4 arm-rpc mips-fulong powerpc-mpc834x_itxgp
arm-carmeva arm-s3c2410 mips-ip22 powerpc-mpc834x_mds
arm-cerfcube arm-shannon mips-ip27 powerpc-mpc836x_mds
arm-clps7500 arm-shark mips-ip32 powerpc-mpc8540_ads
arm-collie arm-simpad mips-jazz powerpc-mpc8544_ds
arm-corgi arm-spitz mips-jmr3927 powerpc-mpc8560_ads
arm-csb337 arm-trizeps4 mips-malta powerpc-mpc8568mds
arm-csb637 arm-versatile mips-mipssim powerpc-mpc85xx_cds
arm-ebsa110 i386 mips-mpc30x powerpc-mpc8641_hpcn
arm-edb7211 i386-allnoconfig mips-msp71xx powerpc-mpc866_ads
arm-em_x270 i386-defconfig mips-ocelot powerpc-mpc885_ads
arm-ep93xx i386-up mips-pb1100 powerpc-pasemi
arm-footbridge ia64 mips-pb1500 powerpc-pmac32
arm-fortunet ia64-allnoconfig mips-pb1550 powerpc-ppc64
arm-h3600 ia64-bigsur mips-pnx8550-jbs powerpc-prpmc2800
arm-h7201 ia64-defconfig mips-pnx8550-stb810 powerpc-ps3
arm-h7202 ia64-gensparse mips-qemu powerpc-pseries
arm-hackkit ia64-sim mips-rbhma4200 powerpc-up
arm-integrator ia64-sn2 mips-rbhma4500 s390
arm-iop13xx ia64-tiger mips-rm200 s390-allnoconfig
arm-iop32x ia64-up mips-sb1250-swarm s390-defconfig
arm-iop33x ia64-zx1 mips-sead s390-up
arm-ixp2000 m68k mips-tb0219 sparc
arm-ixp23xx m68k-amiga mips-tb0226 sparc-allnoconfig
arm-ixp4xx m68k-apollo mips-tb0287 sparc-defconfig
arm-jornada720 m68k-atari mips-workpad sparc-up
arm-kafa m68k-bvme6000 mips-wrppmc sparc64
arm-kb9202 m68k-hp300 mips-yosemite sparc64-allnoconfig
arm-ks8695 m68k-mac parisc sparc64-defconfig
arm-lart m68k-mvme147 parisc-allnoconfig sparc64-up
arm-lpd270 m68k-mvme16x parisc-defconfig um-x86_64
arm-lpd7a400 m68k-q40 parisc-up x86_64
arm-lpd7a404 m68k-sun3 powerpc x86_64-allnoconfig
arm-lubbock m68k-sun3x powerpc-cell x86_64-defconfig
arm-lusl7200 mips powerpc-celleb x86_64-up
arm-mainstone mips-atlas powerpc-chrp32
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
45 files changed, 81 insertions, 33 deletions
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index 0804b6a..ad17644 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -16,6 +16,7 @@ #include <linux/module.h> #include <linux/sched.h> #include <linux/mm.h> +#include <linux/err.h> #include <linux/threads.h> #include <linux/smp.h> #include <linux/interrupt.h> diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 5be2e98..4de432e 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -23,6 +23,7 @@ #include <linux/cpu.h> #include <linux/interrupt.h> #include <linux/smp.h> +#include <linux/fs.h> #include <asm/cpu.h> #include <asm/elf.h> diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 9746e52..eafbb2b 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -17,6 +17,7 @@ #include <linux/profile.h> #include <linux/errno.h> #include <linux/mm.h> +#include <linux/err.h> #include <linux/cpu.h> #include <linux/smp.h> #include <linux/seq_file.h> diff --git a/arch/frv/kernel/sys_frv.c b/arch/frv/kernel/sys_frv.c index 26b3df3..6fbe266 100644 --- a/arch/frv/kernel/sys_frv.c +++ b/arch/frv/kernel/sys_frv.c @@ -13,6 +13,7 @@ #include <linux/errno.h> #include <linux/sched.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/smp.h> #include <linux/sem.h> #include <linux/msg.h> diff --git a/arch/i386/kernel/microcode.c b/arch/i386/kernel/microcode.c index d865d04..09cf781 100644 --- a/arch/i386/kernel/microcode.c +++ b/arch/i386/kernel/microcode.c @@ -82,6 +82,7 @@ #include <linux/miscdevice.h> #include <linux/spinlock.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/mutex.h> #include <linux/cpu.h> #include <linux/firmware.h> diff --git a/arch/i386/kernel/sys_i386.c b/arch/i386/kernel/sys_i386.c index e5dcb93..4214730 100644 --- a/arch/i386/kernel/sys_i386.c +++ b/arch/i386/kernel/sys_i386.c @@ -9,6 +9,7 @@ #include <linux/errno.h> #include <linux/sched.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/smp.h> #include <linux/sem.h> #include <linux/msg.h> diff --git a/arch/i386/kernel/sysenter.c b/arch/i386/kernel/sysenter.c index 6deb159..4eb2e40 100644 --- a/arch/i386/kernel/sysenter.c +++ b/arch/i386/kernel/sysenter.c @@ -16,6 +16,7 @@ #include <linux/string.h> #include <linux/elf.h> #include <linux/mm.h> +#include <linux/err.h> #include <linux/module.h> #include <asm/cpufeature.h> diff --git a/arch/ia64/kernel/init_task.c b/arch/ia64/kernel/init_task.c index b69c397..bc8efca 100644 --- a/arch/ia64/kernel/init_task.c +++ b/arch/ia64/kernel/init_task.c @@ -8,6 +8,7 @@ #include <linux/init.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/module.h> #include <linux/sched.h> #include <linux/init_task.h> diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c index 99fc122..3ee9186 100644 --- a/arch/m68k/kernel/process.c +++ b/arch/m68k/kernel/process.c @@ -15,6 +15,7 @@ #include <linux/sched.h> #include <linux/kernel.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/smp.h> #include <linux/smp_lock.h> #include <linux/stddef.h> diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c index 90238a8..36d78cf 100644 --- a/arch/m68k/kernel/sys_m68k.c +++ b/arch/m68k/kernel/sys_m68k.c @@ -10,6 +10,7 @@ #include <linux/errno.h> #include <linux/sched.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/smp.h> #include <linux/smp_lock.h> #include <linux/sem.h> diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index be7362b..04bbbd8 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -30,6 +30,7 @@ #include <linux/sched.h> #include <linux/cpumask.h> #include <linux/cpu.h> +#include <linux/err.h> #include <asm/atomic.h> #include <asm/cpu.h> diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c index b53f7ed..541b500 100644 --- a/arch/mips/kernel/syscall.c +++ b/arch/mips/kernel/syscall.c @@ -12,6 +12,7 @@ #include <linux/errno.h> #include <linux/linkage.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/smp.h> #include <linux/mman.h> #include <linux/ptrace.h> diff --git a/arch/parisc/hpux/fs.c b/arch/parisc/hpux/fs.c index f2042e6..1263f00 100644 --- a/arch/parisc/hpux/fs.c +++ b/arch/parisc/hpux/fs.c @@ -23,6 +23,7 @@ #include <linux/kernel.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/sched.h> #include <linux/file.h> #include <linux/slab.h> diff --git a/arch/parisc/kernel/init_task.c b/arch/parisc/kernel/init_task.c index 8384bf9..446f98d 100644 --- a/arch/parisc/kernel/init_task.c +++ b/arch/parisc/kernel/init_task.c @@ -23,6 +23,7 @@ */ #include <linux/mm.h> +#include <linux/fs.h> #include <linux/module.h> #include <linux/sched.h> #include <linux/init.h> diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c index 3556648..b80e02a 100644 --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -38,6 +38,7 @@ #include <linux/errno.h> #include <linux/kernel.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/module.h> #include <linux/personality.h> #include <linux/ptrace.h> diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index 04c7e1d..d7bc7bb 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -28,6 +28,7 @@ #include <linux/smp.h> #include <linux/kernel_stat.h> #include <linux/mm.h> +#include <linux/err.h> #include <linux/delay.h> #include <linux/bitops.h> diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c index fc6647d..f85f402 100644 --- a/arch/powerpc/kernel/syscalls.c +++ b/arch/powerpc/kernel/syscalls.c @@ -23,6 +23,7 @@ #include <linux/sched.h> #include <linux/syscalls.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/smp.h> #include <linux/sem.h> #include <linux/msg.h> diff --git a/arch/powerpc/lib/rheap.c b/arch/powerpc/lib/rheap.c index 2f24ea0..ada5b42 100644 --- a/arch/powerpc/lib/rheap.c +++ b/arch/powerpc/lib/rheap.c @@ -16,6 +16,7 @@ #include <linux/errno.h> #include <linux/kernel.h> #include <linux/mm.h> +#include <linux/err.h> #include <linux/slab.h> #include <asm/rheap.h> diff --git a/arch/powerpc/oprofile/cell/spu_task_sync.c b/arch/powerpc/oprofile/cell/spu_task_sync.c index 1336657..4a890cb 100644 --- a/arch/powerpc/oprofile/cell/spu_task_sync.c +++ b/arch/powerpc/oprofile/cell/spu_task_sync.c @@ -21,6 +21,7 @@ #include <linux/dcookies.h> #include <linux/kref.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/module.h> #include <linux/notifier.h> #include <linux/numa.h> diff --git a/arch/s390/kernel/init_task.c b/arch/s390/kernel/init_task.c index d73a740..d494161 100644 --- a/arch/s390/kernel/init_task.c +++ b/arch/s390/kernel/init_task.c @@ -7,6 +7,7 @@ */ #include <linux/mm.h> +#include <linux/fs.h> #include <linux/module.h> #include <linux/sched.h> #include <linux/init_task.h> diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 441975b..abb447a 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -21,6 +21,7 @@ #include <linux/sched.h> #include <linux/kernel.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/smp.h> #include <linux/stddef.h> #include <linux/unistd.h> diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 03674fb..35edbef 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -23,6 +23,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/mm.h> +#include <linux/err.h> #include <linux/spinlock.h> #include <linux/kernel_stat.h> #include <linux/delay.h> diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c index 13e27bd..1eaff84 100644 --- a/arch/s390/kernel/sys_s390.c +++ b/arch/s390/kernel/sys_s390.c @@ -16,6 +16,7 @@ #include <linux/errno.h> #include <linux/sched.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/smp.h> #include <linux/sem.h> #include <linux/msg.h> diff --git a/arch/sparc/kernel/init_task.c b/arch/sparc/kernel/init_task.c index fc31de6..d9d4f96 100644 --- a/arch/sparc/kernel/init_task.c +++ b/arch/sparc/kernel/init_task.c @@ -1,4 +1,5 @@ #include <linux/mm.h> +#include <linux/fs.h> #include <linux/module.h> #include <linux/sched.h> #include <linux/init_task.h> diff --git a/arch/sparc64/kernel/init_task.c b/arch/sparc64/kernel/init_task.c index 329b38f..90007cf 100644 --- a/arch/sparc64/kernel/init_task.c +++ b/arch/sparc64/kernel/init_task.c @@ -1,4 +1,5 @@ #include <linux/mm.h> +#include <linux/fs.h> #include <linux/module.h> #include <linux/sched.h> #include <linux/init_task.h> diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c index fd7899b..ca7cdfd 100644 --- a/arch/sparc64/kernel/process.c +++ b/arch/sparc64/kernel/process.c @@ -18,6 +18,7 @@ #include <linux/kernel.h> #include <linux/kallsyms.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/smp.h> #include <linux/stddef.h> #include <linux/ptrace.h> diff --git a/arch/um/drivers/mmapper_kern.c b/arch/um/drivers/mmapper_kern.c index e41a08f..867666a 100644 --- a/arch/um/drivers/mmapper_kern.c +++ b/arch/um/drivers/mmapper_kern.c @@ -12,6 +12,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/miscdevice.h> #include <asm/uaccess.h> #include "mem_user.h" diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c index 356e50f..ce6828f 100644 --- a/arch/um/kernel/exec.c +++ b/arch/um/kernel/exec.c @@ -6,6 +6,7 @@ #include "linux/slab.h" #include "linux/smp_lock.h" #include "linux/ptrace.h" +#include "linux/fs.h" #include "asm/ptrace.h" #include "asm/pgtable.h" #include "asm/tlbflush.h" diff --git a/arch/um/kernel/init_task.c b/arch/um/kernel/init_task.c index d4f1d1a..cba516e 100644 --- a/arch/um/kernel/init_task.c +++ b/arch/um/kernel/init_task.c @@ -4,6 +4,7 @@ */ #include "linux/mm.h" +#include "linux/fs.h" #include "linux/module.h" #include "linux/sched.h" #include "linux/init_task.h" diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c index 237c4ea..7b3b673 100644 --- a/arch/um/kernel/syscall.c +++ b/arch/um/kernel/syscall.c @@ -7,6 +7,7 @@ #include "linux/file.h" #include "linux/smp_lock.h" #include "linux/mm.h" +#include "linux/fs.h" #include "linux/utsname.h" #include "linux/msg.h" #include "linux/shm.h" diff --git a/arch/x86_64/ia32/ptrace32.c b/arch/x86_64/ia32/ptrace32.c index 4de3a54..4a233ad 100644 --- a/arch/x86_64/ia32/ptrace32.c +++ b/arch/x86_64/ia32/ptrace32.c @@ -15,6 +15,7 @@ #include <linux/syscalls.h> #include <linux/unistd.h> #include <linux/mm.h> +#include <linux/err.h> #include <linux/ptrace.h> #include <asm/ptrace.h> #include <asm/compat.h> diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c index e7ac629..2842f50 100644 --- a/arch/x86_64/kernel/process.c +++ b/arch/x86_64/kernel/process.c @@ -23,6 +23,7 @@ #include <linux/sched.h> #include <linux/kernel.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/elfcore.h> #include <linux/smp.h> #include <linux/slab.h> diff --git a/arch/x86_64/kernel/sys_x86_64.c b/arch/x86_64/kernel/sys_x86_64.c index d067d9a..4770b7a 100644 --- a/arch/x86_64/kernel/sys_x86_64.c +++ b/arch/x86_64/kernel/sys_x86_64.c @@ -6,6 +6,7 @@ #include <linux/sched.h> #include <linux/syscalls.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/smp.h> #include <linux/sem.h> #include <linux/msg.h> diff --git a/arch/x86_64/vdso/vma.c b/arch/x86_64/vdso/vma.c index d4cb83a..ff9333e 100644 --- a/arch/x86_64/vdso/vma.c +++ b/arch/x86_64/vdso/vma.c @@ -4,6 +4,7 @@ * Subject to the GPL, v.2 */ #include <linux/mm.h> +#include <linux/err.h> #include <linux/sched.h> #include <linux/init.h> #include <linux/random.h> diff --git a/drivers/char/agp/compat_ioctl.c b/drivers/char/agp/compat_ioctl.c index fcb4b1b..ecd4248 100644 --- a/drivers/char/agp/compat_ioctl.c +++ b/drivers/char/agp/compat_ioctl.c @@ -28,6 +28,7 @@ #include <linux/kernel.h> #include <linux/pci.h> +#include <linux/fs.h> #include <linux/agpgart.h> #include <asm/uaccess.h> #include "agp.h" diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c index c7ed617..7791e98 100644 --- a/drivers/char/agp/frontend.c +++ b/drivers/char/agp/frontend.c @@ -37,6 +37,7 @@ #include <linux/agpgart.h> #include <linux/slab.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/sched.h> #include <asm/uaccess.h> #include <asm/pgtable.h> diff --git a/drivers/char/mmtimer.c b/drivers/char/mmtimer.c index 6e55cfb..e60a74c 100644 --- a/drivers/char/mmtimer.c +++ b/drivers/char/mmtimer.c @@ -25,6 +25,7 @@ #include <linux/init.h> #include <linux/errno.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/mmtimer.h> #include <linux/miscdevice.h> #include <linux/posix-timers.h> diff --git a/drivers/char/mspec.c b/drivers/char/mspec.c index c716ef0..c08a415 100644 --- a/drivers/char/mspec.c +++ b/drivers/char/mspec.c @@ -38,6 +38,7 @@ #include <linux/miscdevice.h> #include <linux/spinlock.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/vmalloc.h> #include <linux/string.h> #include <linux/slab.h> diff --git a/drivers/infiniband/hw/ipath/ipath_diag.c b/drivers/infiniband/hw/ipath/ipath_diag.c index a698f19..cf25cda 100644 --- a/drivers/infiniband/hw/ipath/ipath_diag.c +++ b/drivers/infiniband/hw/ipath/ipath_diag.c @@ -44,6 +44,7 @@ #include <linux/io.h> #include <linux/pci.h> #include <linux/vmalloc.h> +#include <linux/fs.h> #include <asm/uaccess.h> #include "ipath_kernel.h" diff --git a/fs/dcookies.c b/fs/dcookies.c index c1208f5..792cbf5 100644 --- a/fs/dcookies.c +++ b/fs/dcookies.c @@ -20,6 +20,7 @@ #include <linux/capability.h> #include <linux/dcache.h> #include <linux/mm.h> +#include <linux/err.h> #include <linux/errno.h> #include <linux/dcookies.h> #include <linux/mutex.h> diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 49b7053..e6a71c8 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -1,6 +1,8 @@ #ifndef _LINUX_HUGETLB_H #define _LINUX_HUGETLB_H +#include <linux/fs.h> + #ifdef CONFIG_HUGETLB_PAGE #include <linux/mempolicy.h> diff --git a/include/linux/mm.h b/include/linux/mm.h index 3e9e8fe..655094d 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -10,7 +10,6 @@ #include <linux/mmzone.h> #include <linux/rbtree.h> #include <linux/prio_tree.h> -#include <linux/fs.h> #include <linux/mutex.h> #include <linux/debug_locks.h> #include <linux/backing-dev.h> @@ -18,7 +17,9 @@ struct mempolicy; struct anon_vma; +struct file_ra_state; struct user_struct; +struct writeback_control; #ifndef CONFIG_DISCONTIGMEM /* Don't use mapnrs, do it properly */ extern unsigned long max_mapnr; @@ -861,38 +862,7 @@ struct shrinker { extern void register_shrinker(struct shrinker *); extern void unregister_shrinker(struct shrinker *); -/* - * Some shared mappigns will want the pages marked read-only - * to track write events. If so, we'll downgrade vm_page_prot - * to the private version (using protection_map[] without the - * VM_SHARED bit). - */ -static inline int vma_wants_writenotify(struct vm_area_struct *vma) -{ - unsigned int vm_flags = vma->vm_flags; - - /* If it was private or non-writable, the write bit is already clear */ - if ((vm_flags & (VM_WRITE|VM_SHARED)) != ((VM_WRITE|VM_SHARED))) - return 0; - - /* The backer wishes to know when pages are first written to? */ - if (vma->vm_ops && vma->vm_ops->page_mkwrite) - return 1; - - /* The open routine did something to the protections already? */ - if (pgprot_val(vma->vm_page_prot) != - pgprot_val(protection_map[vm_flags & - (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)])) - return 0; - - /* Specialty mapping? */ - if (vm_flags & (VM_PFNMAP|VM_INSERTPAGE)) - return 0; - - /* Can the mapping track the dirty pages? */ - return vma->vm_file && vma->vm_file->f_mapping && - mapping_cap_account_dirty(vma->vm_file->f_mapping); -} +int vma_wants_writenotify(struct vm_area_struct *vma); extern pte_t *FASTCALL(get_locked_pte(struct mm_struct *mm, unsigned long addr, spinlock_t **ptl)); @@ -1029,6 +1029,40 @@ unsigned long do_mmap_pgoff(struct file * file, unsigned long addr, } EXPORT_SYMBOL(do_mmap_pgoff); +/* + * Some shared mappigns will want the pages marked read-only + * to track write events. If so, we'll downgrade vm_page_prot + * to the private version (using protection_map[] without the + * VM_SHARED bit). + */ +int vma_wants_writenotify(struct vm_area_struct *vma) +{ + unsigned int vm_flags = vma->vm_flags; + + /* If it was private or non-writable, the write bit is already clear */ + if ((vm_flags & (VM_WRITE|VM_SHARED)) != ((VM_WRITE|VM_SHARED))) + return 0; + + /* The backer wishes to know when pages are first written to? */ + if (vma->vm_ops && vma->vm_ops->page_mkwrite) + return 1; + + /* The open routine did something to the protections already? */ + if (pgprot_val(vma->vm_page_prot) != + pgprot_val(protection_map[vm_flags & + (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)])) + return 0; + + /* Specialty mapping? */ + if (vm_flags & (VM_PFNMAP|VM_INSERTPAGE)) + return 0; + + /* Can the mapping track the dirty pages? */ + return vma->vm_file && vma->vm_file->f_mapping && + mapping_cap_account_dirty(vma->vm_file->f_mapping); +} + + unsigned long mmap_region(struct file *file, unsigned long addr, unsigned long len, unsigned long flags, unsigned int vm_flags, unsigned long pgoff, diff --git a/mm/oom_kill.c b/mm/oom_kill.c index a700141..1036765 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -17,6 +17,7 @@ #include <linux/oom.h> #include <linux/mm.h> +#include <linux/err.h> #include <linux/sched.h> #include <linux/swap.h> #include <linux/timex.h> diff --git a/mm/vmstat.c b/mm/vmstat.c index fadf791..c64d169 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -10,6 +10,7 @@ */ #include <linux/mm.h> +#include <linux/err.h> #include <linux/module.h> #include <linux/cpu.h> #include <linux/sched.h> |