Commit eda80228 authored Jul 07, 2005 by Jeff Dike Committed by Linus Torvalds Jul 07, 2005

[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>

parent 043d0516

arch/um/kernel/skas/tlb.c

+0 −1

Original line number	Diff line number	Diff line
		@@ -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)