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authorCesar Eduardo Barros <cesarb@cesarb.net>2010-05-26 14:44:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-27 09:12:53 -0700
commitedcd1d843adf09d1742d49ae04fa51bb63ddd1c3 (patch)
tree7c0af77b470531f3a5e648cca232ec5821101385 /usr
parent9d85cba718efeef9ca00ce3f7f34f5880737aa9b (diff)
downloadlinux-stericsson-edcd1d843adf09d1742d49ae04fa51bb63ddd1c3.tar.gz
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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