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authorFengguang Wu <fengguang.wu@gmail.com>2007-10-16 23:26:25 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 08:42:48 -0700
commite57aa839cea13852e07ecb495692b602b11136c9 (patch)
tree5296984f012e1483519f87af55c617fcbf186073 /include/linux
parentbf020cb7b3918e186309db21d75cb91ebafc9d6f (diff)
convert ill defined log2() to ilog2()
It's *wrong* to have #define log2(n) ffz(~(n)) It should be *reversed*: #define log2(n) flz(~(n)) or #define log2(n) fls(n) or just use ilog2(n) defined in linux/log2.h. This patch follows the last solution, recommended by Andrew Morton. Cc: <linux-ext4@vger.kernel.org> Cc: Mingming Cao <cmm@us.ibm.com> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Chris Ahna <christopher.j.ahna@intel.com> Cc: David Mosberger-Tang <davidm@hpl.hp.com> Cc: Kyle McMartin <kyle@parisc-linux.org> Cc: Dave Airlie <airlied@linux.ie> Cc: Dave Jones <davej@codemonkey.org.uk> Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux')
0 files changed, 0 insertions, 0 deletions