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authorNick Piggin <npiggin@suse.de>2010-04-29 17:48:18 -0400
committerMatt Turner <mattst88@monolith.freenet-rz.de>2010-05-26 00:40:28 +0200
commit1cb3d8e2c8d30d2cbfe42b696d501d0a016edec1 (patch)
tree063a37d4a4f06321c2cad8a96979c1638c667771
parent9ce34c8f4466608bc67630a42d04f4aaf0443d9b (diff)
downloadop-kernel-dev-1cb3d8e2c8d30d2cbfe42b696d501d0a016edec1.zip
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alpha: 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. [mattst88: kill now unused 'survive' label] Cc: linux-alpha@vger.kernel.org Cc: Richard Henderson <rth@twiddle.net> Cc: linux-arch@vger.kernel.org Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Nick Piggin <npiggin@suse.de>
-rw-r--r--arch/alpha/mm/fault.c11
1 files changed, 2 insertions, 9 deletions
diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
index 00a31de..fadd5f8 100644
--- a/arch/alpha/mm/fault.c
+++ b/arch/alpha/mm/fault.c
@@ -142,7 +142,6 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
goto bad_area;
}
- survive:
/* If for any reason at all we couldn't handle the fault,
make sure we exit gracefully rather than endlessly redo
the fault. */
@@ -188,16 +187,10 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
/* We ran out of memory, or some other thing happened to us that
made us unable to handle the page fault gracefully. */
out_of_memory:
- if (is_global_init(current)) {
- yield();
- down_read(&mm->mmap_sem);
- goto survive;
- }
- printk(KERN_ALERT "VM: killing process %s(%d)\n",
- current->comm, task_pid_nr(current));
if (!user_mode(regs))
goto no_context;
- do_group_exit(SIGKILL);
+ pagefault_out_of_memory();
+ return;
do_sigbus:
/* Send a sigbus, regardless of whether we were in kernel
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