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authorAkinobu Mita <akinobu.mita@gmail.com>2011-10-31 17:08:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-31 17:30:47 -0700
commit798248206b59acc6e1238c778281419c041891a7 (patch)
treeff8564431367b442b18bca4a0a9732e5799e2391 /tools
parent77311139f364d7f71fc9ba88f59fd90e60205007 (diff)
downloadop-kernel-dev-798248206b59acc6e1238c778281419c041891a7.zip
op-kernel-dev-798248206b59acc6e1238c778281419c041891a7.tar.gz
lib/string.c: introduce memchr_inv()
memchr_inv() is mainly used to check whether the whole buffer is filled with just a specified byte. The function name and prototype are stolen from logfs and the implementation is from SLUB. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Christoph Lameter <cl@linux-foundation.org> Acked-by: Pekka Enberg <penberg@kernel.org> Cc: Matt Mackall <mpm@selenic.com> Acked-by: Joern Engel <joern@logfs.org> Cc: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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