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: linuxppc-...@ozlabs.org
Cc: Benjamin Herrenschmidt <b...@kernel.crashing.org>
Cc: linux-a...@vger.kernel.org
Signed-off-by: Nick Piggin <npig...@suse.de>
---
Index: linux-2.6/arch/powerpc/mm/fault.c
===================================================================
--- linux-2.6.orig/arch/powerpc/mm/fault.c
+++ linux-2.6/arch/powerpc/mm/fault.c
@@ -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);
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