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authorNick Piggin <npiggin@suse.de>2010-06-04 14:14:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-06-04 15:21:44 -0700
commitf76f5d71048e116f76d2eb02226b01d50890e2f4 (patch)
tree04e0abc99d61e8beb4d35149d303bda0068dd68d /arch/xtensa/mm
parentc421b08ef52f38049c6f591c5d260a97af7b0000 (diff)
downloadlinux-f76f5d71048e116f76d2eb02226b01d50890e2f4.tar.gz
xtensa: invoke oom-killer from page fault
As explained in commit 1c0fe6e3bd ("mm: invoke oom-killer from page fault") , we want to call the architecture independent oom killer when getting an unexplained OOM from handle_mm_fault, rather than simply killing current. Signed-off-by: Nick Piggin <npiggin@suse.de> Acked-by: David Rientjes <rientjes@google.com> Cc: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/xtensa/mm')
-rw-r--r--arch/xtensa/mm/fault.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c
index bc0733359a8..e367e302643 100644
--- a/arch/xtensa/mm/fault.c
+++ b/arch/xtensa/mm/fault.c
@@ -105,7 +105,6 @@ good_area:
* make sure we exit gracefully rather than endlessly redo
* the fault.
*/
-survive:
fault = handle_mm_fault(mm, vma, address, is_write ? FAULT_FLAG_WRITE : 0);
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
@@ -146,15 +145,10 @@ bad_area:
*/
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);
- bad_page_fault(regs, address, SIGKILL);
+ if (!user_mode(regs))
+ bad_page_fault(regs, address, SIGKILL);
+ else
+ pagefault_out_of_memory();
return;
do_sigbus: