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| author | Jeff Garzik <jeff@garzik.org> | 2006-04-12 16:54:43 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-04-12 16:54:43 -0400 |
| commit | a890b15c0990cc8d686edcc85f5fccde71ad5ce9 (patch) | |
| tree | 73162355b58283a2531f13fbbf663809f95c1483 /arch/ia64/mm/fault.c | |
| parent | 79fa1b677be3a985cc66b9218a4dd09818f1051b (diff) | |
| parent | 26ec634c31a11a003040e10b4d650495158632fd (diff) | |
Merge branch 'upstream'
Diffstat (limited to 'arch/ia64/mm/fault.c')
| -rw-r--r-- | arch/ia64/mm/fault.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c index af7eb087dca7..d98ec49570b8 100644 --- a/arch/ia64/mm/fault.c +++ b/arch/ia64/mm/fault.c | |||
| @@ -60,6 +60,9 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re | |||
| 60 | struct siginfo si; | 60 | struct siginfo si; |
| 61 | unsigned long mask; | 61 | unsigned long mask; |
| 62 | 62 | ||
| 63 | /* mmap_sem is performance critical.... */ | ||
| 64 | prefetchw(&mm->mmap_sem); | ||
| 65 | |||
| 63 | /* | 66 | /* |
| 64 | * If we're in an interrupt or have no user context, we must not take the fault.. | 67 | * If we're in an interrupt or have no user context, we must not take the fault.. |
| 65 | */ | 68 | */ |