tree a6071d17769cd102034dc0555e2368a76b4227f8
parent 043d051615aa5da09a7e44f1edbb69798458e067
author Jeff Dike <[EMAIL PROTECTED]> Fri, 08 Jul 2005 07:56:00 -0700
committer Linus Torvalds <[EMAIL PROTECTED]> Fri, 08 Jul 2005 08:23:35 -0700
[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 <[EMAIL PROTECTED]>
Cc: Paolo Giarrusso <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
arch/um/kernel/skas/tlb.c | 1 -
1 files changed, 1 deletion(-)
diff --git a/arch/um/kernel/skas/tlb.c b/arch/um/kernel/skas/tlb.c
--- 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
return;
fix_range(mm, 0, host_task_size, 0);
- flush_tlb_kernel_range_common(start_vm, end_vm);
}
void force_flush_all_skas(void)
-
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