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| author | Nick Piggin <npiggin@suse.de> | 2010-04-22 16:06:26 +0000 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-04-26 15:47:01 +0900 |
| commit | 6b6b18e62cfba44ce7b6489c7100f12b199232d7 (patch) | |
| tree | db4a2c60dec3b6dcfbcd46d5e3f056dbac34d646 /arch/sh/mm | |
| parent | 4a6feab0ee5240c4bd5378d9f8a46b85718c68a7 (diff) | |
| download | linux-6b6b18e62cfba44ce7b6489c7100f12b199232d7.tar.gz linux-6b6b18e62cfba44ce7b6489c7100f12b199232d7.tar.bz2 linux-6b6b18e62cfba44ce7b6489c7100f12b199232d7.zip | |
sh: 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-sh@vger.kernel.org
Cc: linux-arch@vger.kernel.org
Signed-off-by: Nick Piggin <npiggin@suse.de>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/mm')
| -rw-r--r-- | arch/sh/mm/fault_32.c | 13 | ||||
| -rw-r--r-- | arch/sh/mm/tlbflush_64.c | 19 |
2 files changed, 8 insertions, 24 deletions
diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c index 8bf79e3b7bdd..93c3447ed40a 100644 --- a/arch/sh/mm/fault_32.c +++ b/arch/sh/mm/fault_32.c @@ -290,15 +290,10 @@ no_context: */ 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", tsk->comm); - if (user_mode(regs)) - do_group_exit(SIGKILL); - goto no_context; + if (!user_mode(regs)) + goto no_context; + pagefault_out_of_memory(); + return; do_sigbus: up_read(&mm->mmap_sem); diff --git a/arch/sh/mm/tlbflush_64.c b/arch/sh/mm/tlbflush_64.c index 706da1d3a67a..25bd64c0977c 100644 --- a/arch/sh/mm/tlbflush_64.c +++ b/arch/sh/mm/tlbflush_64.c @@ -294,22 +294,11 @@ no_context: * us unable to handle the page fault gracefully. */ out_of_memory: - if (is_global_init(current)) { - panic("INIT out of memory\n"); - yield(); - goto survive; - } - printk("fault:Out of memory\n"); up_read(&mm->mmap_sem); - if (is_global_init(current)) { - yield(); - down_read(&mm->mmap_sem); - goto survive; - } - printk("VM: killing process %s\n", tsk->comm); - if (user_mode(regs)) - do_group_exit(SIGKILL); - goto no_context; + if (!user_mode(regs)) + goto no_context; + pagefault_out_of_memory(); + return; do_sigbus: printk("fault:Do sigbus\n"); |