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[PATCH] uml: kill some useless vmalloc tlb flushing

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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>
This commit is contained in:
Jeff Dike 2005-07-07 17:56:00 -07:00 committed by Linus Torvalds
parent 043d051615
commit eda8022886
1 changed files with 0 additions and 1 deletions
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arch/um/kernel/skas/tlb.c
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@ -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)