From: Jeff Dike <jdike@addtoit.com>
Date: Tue, 5 Feb 2008 06:31:07 +0000 (-0800)
Subject: uml: customize tlb.h
X-Git-Tag: v2.6.25-rc1~823
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b4e273fb83bce5dd8e166a4defb16ebdd215abf;p=pandora-kernel.git

uml: customize tlb.h

Customize the hooks in tlb.h to optimize TLB flushing some more.

Add start and end fields to tlb_gather_mmu, which are used to limit
the address space range scanned when a region is unmapped.

The interfaces which just free page tables, without actually changing
mappings, don't need to cause a TLB flush.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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