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authorJeff Dike2005-07-07 17:56:00 -0700
committerLinus Torvalds2005-07-07 18:23:35 -0700
commiteda80228860641b7b0e963e6bd219b960c500af9 (patch)
treea6071d17769cd102034dc0555e2368a76b4227f8 /arch/um
parent043d051615aa5da09a7e44f1edbb69798458e067 (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>
Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/kernel/skas/tlb.c1
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)
return;
fix_range(mm, 0, host_task_size, 0);
- flush_tlb_kernel_range_common(start_vm, end_vm);
}
void force_flush_all_skas(void)