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authorHerbert Xu <herbert@gondor.apana.org.au>2010-05-26 11:36:58 +1000
committerHerbert Xu <herbert@gondor.apana.org.au>2010-05-26 11:36:58 +1000
commit50d1e9302bab7d35dae7146f8c468e0943015616 (patch)
treefa05320f4a297bd582686574cf94ba444e264b3f /arch/powerpc/mm/fault.c
parent7cc2835083aedfde42de02301005a5555e00c4b1 (diff)
parentdc4ccfd15d4fc7a91ddf222bc5eed5cc4bcf10e6 (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/crypto-2.6
Diffstat (limited to 'arch/powerpc/mm/fault.c')
-rw-r--r--arch/powerpc/mm/fault.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 26fb6b9..1bd712c 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -151,13 +151,14 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
if (!user_mode(regs) && (address >= TASK_SIZE))
return SIGSEGV;
-#if !(defined(CONFIG_4xx) || defined(CONFIG_BOOKE))
+#if !(defined(CONFIG_4xx) || defined(CONFIG_BOOKE) || \
+ defined(CONFIG_PPC_BOOK3S_64))
if (error_code & DSISR_DABRMATCH) {
/* DABR match */
do_dabr(regs, address, error_code);
return 0;
}
-#endif /* !(CONFIG_4xx || CONFIG_BOOKE)*/
+#endif
if (in_atomic() || mm == NULL) {
if (!user_mode(regs))
@@ -307,7 +308,6 @@ good_area:
* make sure we exit gracefully rather than endlessly redo
* the fault.
*/
- survive:
ret = handle_mm_fault(mm, vma, address, is_write ? FAULT_FLAG_WRITE : 0);
if (unlikely(ret & VM_FAULT_ERROR)) {
if (ret & VM_FAULT_OOM)
@@ -359,15 +359,10 @@ bad_area_nosemaphore:
*/
out_of_memory:
up_read(&mm->mmap_sem);
- if (is_global_init(current)) {
- yield();
- down_read(&mm->mmap_sem);
- goto survive;
- }
- printk("VM: killing process %s\n", current->comm);
- if (user_mode(regs))
- do_group_exit(SIGKILL);
- return SIGKILL;
+ if (!user_mode(regs))
+ return SIGKILL;
+ pagefault_out_of_memory();
+ return 0;
do_sigbus:
up_read(&mm->mmap_sem);