diff options
| author | Jeff Dike <jdike@addtoit.com> | 2005-07-07 20:56:00 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-07-07 21:23:35 -0400 |
| commit | eda80228860641b7b0e963e6bd219b960c500af9 (patch) | |
| tree | a6071d17769cd102034dc0555e2368a76b4227f8 | |
| parent | 043d051615aa5da09a7e44f1edbb69798458e067 (diff) | |
[PATCH] uml: kill some useless vmalloc tlb flushing
There is absolutely no reason to flush the kernel's VM area during a
tlb_flush_mm.
This results in a noticable performance increase in the kernel build
benchmark.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/um/kernel/skas/tlb.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/um/kernel/skas/tlb.c b/arch/um/kernel/skas/tlb.c index b8c5e71763d1..18f9a7711de1 100644 --- a/arch/um/kernel/skas/tlb.c +++ b/arch/um/kernel/skas/tlb.c | |||
| @@ -76,7 +76,6 @@ void flush_tlb_mm_skas(struct mm_struct *mm) | |||
| 76 | return; | 76 | return; |
| 77 | 77 | ||
| 78 | fix_range(mm, 0, host_task_size, 0); | 78 | fix_range(mm, 0, host_task_size, 0); |
| 79 | flush_tlb_kernel_range_common(start_vm, end_vm); | ||
| 80 | } | 79 | } |
| 81 | 80 | ||
| 82 | void force_flush_all_skas(void) | 81 | void force_flush_all_skas(void) |