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authorNick Piggin <npiggin@suse.de>2010-04-23 02:06:20 +1000
committerGeert Uytterhoeven <geert@linux-m68k.org>2010-05-17 21:37:39 +0200
commitadbf6e6952e80ae42a403442dcae21438cae94b3 (patch)
tree225f4f2db9fe9b682546e663c66c85cf510b3ea7
parentf3c7f317c91e45aac0ef9d0b6474cd4637de69f0 (diff)
downloadlinux-2.6.34-ux500-adbf6e6952e80ae42a403442dcae21438cae94b3.tar.gz
m68k: invoke oom-killer from page fault
As explained in commit 1c0fe6e3bd, we want to call the architecture independent oom killer when getting an unexplained OOM from handle_mm_fault, rather than simply killing current. Cc: linux-m68k@lists.linux-m68k.org Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: linux-arch@vger.kernel.org Signed-off-by: Nick Piggin <npiggin@suse.de> Acked-by: David Rientjes <rientjes@google.com> [Geert] Kill 2 introduced compiler warnings Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
-rw-r--r--arch/m68k/mm/fault.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c
index d0e35cf99fc..a96394a0333 100644
--- a/arch/m68k/mm/fault.c
+++ b/arch/m68k/mm/fault.c
@@ -154,7 +154,6 @@ good_area:
* the fault.
*/
- survive:
fault = handle_mm_fault(mm, vma, address, write ? FAULT_FLAG_WRITE : 0);
#ifdef DEBUG
printk("handle_mm_fault returns %d\n",fault);
@@ -180,15 +179,10 @@ good_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);
+ if (!user_mode(regs))
+ goto no_context;
+ pagefault_out_of_memory();
+ return 0;
no_context:
current->thread.signo = SIGBUS;