From 73219d178051691a56d57184d8c7f6d0cbe3c5c1 Mon Sep 17 00:00:00 2001
From: Chris Wright <chrisw@osdl.org>
Date: Tue, 21 Jun 2005 17:14:52 -0700
Subject: [PATCH] [PATCH] mmap topdown fix for large stack limit, large
 allocation

The topdown changes in 2.6.12-rc1 can cause large allocations with large
stack limit to fail, despite there being space available.  The
mmap_base-len is only valid when len >= mmap_base.  However, nothing in
topdown allocator checks this.  It's only (now) caught at higher level,
which will cause allocation to simply fail.  The following change restores
the fallback to bottom-up path, which will allow large allocations with
large stack limit to potentially still succeed.

Signed-off-by: Chris Wright <chrisw@osdl.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
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