From: Cesar Eduardo Barros <cesarb@cesarb.net>
Date: Wed, 26 May 2010 21:44:27 +0000 (-0700)
Subject: radix-tree: fix radix_tree_prev_hole() underflow case
X-Git-Tag: v2.6.35-rc1~82
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=edcd1d843adf09d1742d49ae04fa51bb63ddd1c3;p=pandora-kernel.git

radix-tree: fix radix_tree_prev_hole() underflow case

radix_tree_prev_hole() used LONG_MAX to detect underflow; however,
ULONG_MAX is clearly what was intended, both here and by its only user
(count_history_pages at mm/readahead.c).

Reviewed-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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