diff options
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 51 | ||||
| -rw-r--r-- | init/do_mounts_rd.c | 6 | ||||
| -rw-r--r-- | init/main.c | 3 |
3 files changed, 56 insertions, 4 deletions
diff --git a/init/Kconfig b/init/Kconfig index a29a688..541382d 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -270,9 +270,43 @@ config LOG_BUF_SHIFT 13 => 8 KB 12 => 4 KB +config CGROUPS + bool "Control Group support" + help + This option will let you use process cgroup subsystems + such as Cpusets + + Say N if unsure. + +config CGROUP_DEBUG + bool "Example debug cgroup subsystem" + depends on CGROUPS + help + This option enables a simple cgroup subsystem that + exports useful debugging information about the cgroups + framework + + Say N if unsure + +config CGROUP_NS + bool "Namespace cgroup subsystem" + depends on CGROUPS + help + Provides a simple namespace cgroup subsystem to + provide hierarchical naming of sets of namespaces, + for instance virtual servers and checkpoint/restart + jobs. + +config CGROUP_CPUACCT + bool "Simple CPU accounting cgroup subsystem" + depends on CGROUPS + help + Provides a simple Resource Controller for monitoring the + total CPU consumed by the tasks in a cgroup + config CPUSETS bool "Cpuset support" - depends on SMP + depends on SMP && CGROUPS help This option will let you create and manage CPUSETs which allow dynamically partitioning a system into sets of CPUs and @@ -300,6 +334,16 @@ config FAIR_USER_SCHED This option will choose userid as the basis for grouping tasks, thus providing equal CPU bandwidth to each user. +config FAIR_CGROUP_SCHED + bool "Control groups" + depends on CGROUPS + help + This option allows you to create arbitrary task groups + using the "cgroup" pseudo filesystem and control + the cpu bandwidth allocated to each such task group. + Refer to Documentation/cgroups.txt for more information + on "cgroup" pseudo filesystem. + endchoice config SYSFS_DEPRECATED @@ -322,6 +366,11 @@ config SYSFS_DEPRECATED If you are using a distro that was released in 2006 or later, it should be safe to say N here. +config PROC_PID_CPUSET + bool "Include legacy /proc/<pid>/cpuset file" + depends on CPUSETS + default y + config RELAY bool "Kernel->user space relay support (formerly relayfs)" help diff --git a/init/do_mounts_rd.c b/init/do_mounts_rd.c index ed652f4..3ac5904 100644 --- a/init/do_mounts_rd.c +++ b/init/do_mounts_rd.c @@ -57,7 +57,7 @@ identify_ramdisk_image(int fd, int start_block) unsigned char *buf; buf = kmalloc(size, GFP_KERNEL); - if (buf == 0) + if (!buf) return -1; minixsb = (struct minix_super_block *) buf; @@ -407,12 +407,12 @@ static int __init crd_load(int in_fd, int out_fd) crd_infd = in_fd; crd_outfd = out_fd; inbuf = kmalloc(INBUFSIZ, GFP_KERNEL); - if (inbuf == 0) { + if (!inbuf) { printk(KERN_ERR "RAMDISK: Couldn't allocate gzip buffer\n"); return -1; } window = kmalloc(WSIZE, GFP_KERNEL); - if (window == 0) { + if (!window) { printk(KERN_ERR "RAMDISK: Couldn't allocate gzip window\n"); kfree(inbuf); return -1; diff --git a/init/main.c b/init/main.c index 9def935..0dd0e7a 100644 --- a/init/main.c +++ b/init/main.c @@ -39,6 +39,7 @@ #include <linux/writeback.h> #include <linux/cpu.h> #include <linux/cpuset.h> +#include <linux/cgroup.h> #include <linux/efi.h> #include <linux/tick.h> #include <linux/interrupt.h> @@ -523,6 +524,7 @@ asmlinkage void __init start_kernel(void) */ unwind_init(); lockdep_init(); + cgroup_init_early(); local_irq_disable(); early_boot_irqs_off(); @@ -640,6 +642,7 @@ asmlinkage void __init start_kernel(void) #ifdef CONFIG_PROC_FS proc_root_init(); #endif + cgroup_init(); cpuset_init(); taskstats_init_early(); delayacct_init(); |