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authorAkinobu Mita <akinobu.mita@gmail.com>2009-07-04 01:33:09 +0900
committerRalf Baechle <ralf@linux-mips.org>2009-08-03 17:52:40 +0100
commita887b4dada2f23b2ff2aa725e0509c92dc652597 (patch)
tree7841c40cff0b0f04db27304e89ea54b179fac96f /arch/mips/mm
parent49316cbf0a9875f102f98dc8b7c80cfa142e33cf (diff)
MIPS: Drop mmap_sem in pagefault oom path
Fix the pagefault oom path which does not drop mm->mmap_sem. This was introduced by commit c7c1e3846bac1e4b8a8941f6a194812e28b0a519 Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/mm')
-rw-r--r--arch/mips/mm/fault.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index 6751ce9ede9..f956ecbb813 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -171,6 +171,7 @@ out_of_memory:
* We ran out of memory, call the OOM killer, and return the userspace
* (which will retry the fault, or kill us if we got oom-killed).
*/
+ up_read(&mm->mmap_sem);
pagefault_out_of_memory();
return;