From 05b7438475ddbac47e75506913d44550f0e75938 Mon Sep 17 00:00:00 2001
From: Prasanna Meda <pmeda@akamai.com>
Date: Tue, 21 Jun 2005 17:14:37 -0700
Subject: [PATCH] [PATCH] madvise: merge the maps

This attempts to merge back the split maps.  This code is mostly copied
from Chrisw's mlock merging from post 2.6.11 trees.  The only difference is
in munmapped_error handling.  Also passed prev to willneed/dontneed,
eventhogh they do not handle it now, since I felt it will be cleaner,
instead of handling prev in madvise_vma in some cases and in subfunction in
some cases.

Signed-off-by: Prasanna Meda <pmeda@akamai.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
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