From eda80228860641b7b0e963e6bd219b960c500af9 Mon Sep 17 00:00:00 2001
From: Jeff Dike <jdike@addtoit.com>
Date: Thu, 7 Jul 2005 17:56:00 -0700
Subject: [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>
---
 arch/um/kernel/skas/tlb.c | 1 -
 1 file changed, 1 deletion(-)

(limited to 'arch')

diff --git a/arch/um/kernel/skas/tlb.c b/arch/um/kernel/skas/tlb.c
index b8c5e71763d..18f9a7711de 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)
-- 
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