On Fri, 23 Apr 2010, npiggin@xxxxxxx wrote:
> 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-ia64@xxxxxxxxxxxxxxx
> Cc: Tony Luck <tony.luck@xxxxxxxxx>
> Cc: linux-arch@xxxxxxxxxxxxxxx
> Signed-off-by: Nick Piggin <npiggin@xxxxxxx>
Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
> ---
> Index: linux-2.6/arch/ia64/mm/fault.c
> ===================================================================
> --- linux-2.6.orig/arch/ia64/mm/fault.c
> +++ linux-2.6/arch/ia64/mm/fault.c
> @@ -276,13 +276,7 @@ ia64_do_page_fault (unsigned long addres
>
> out_of_memory:
> up_read(&mm->mmap_sem);
> - if (is_global_init(current)) {
> - yield();
> - down_read(&mm->mmap_sem);
> - goto survive;
> - }
> - printk(KERN_CRIT "VM: killing process %s\n", current->comm);
> - if (user_mode(regs))
> - do_group_exit(SIGKILL);
> - goto no_context;
> + if (!user_mode(regs))
> + goto no_context;
> + pagefault_out_of_memory();
> }
>
>
>
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