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Matthew Wilcox 2c6deb0152 bitmap: use memcmp optimisation in more situations 
Commit 7dd968163f ("bitmap: bitmap_equal memcmp optimization") was
rather more restrictive than necessary; we can use memcmp() to implement
bitmap_equal() as long as the number of bits can be proved to be a
multiple of 8.  And architectures other than s390 may be able to make
good use of this optimisation.

[arnd@arndb.de: fix build: add a memcmp() declaration]
  Link: http://lkml.kernel.org/r/20170630153908.3439707-1-arnd@arndb.de
Link: http://lkml.kernel.org/r/20170628153221.11322-5-willy@infradead.org
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2017-07-10 16:32:34 -07:00
..
.gitignore ARM: 8542/1: decompressor: merge piggy.*.S and simplify Makefile 2016-02-22 16:56:31 +00:00
Makefile Merge branches 'amba', 'fixes', 'misc' and 'tauros2' into for-next 2016-03-04 23:36:02 +00:00
atags_to_fdt.c ARM: 8025/1: Get rid of meminfo 2014-06-01 01:17:12 +01:00
big-endian.S
…
debug.S ARM: 7737/1: fix kernel decompressor compilation error with CONFIG_DEBUG_SEMIHOSTING 2013-06-05 23:32:24 +01:00
decompress.c bitmap: use memcmp optimisation in more situations 2017-07-10 16:32:34 -07:00
efi-header.S ARM: 8680/1: boot/compressed: fix inappropriate Thumb2 mnemonic for __nop 2017-06-12 15:47:27 +01:00
head-sa1100.S ARM: 7743/1: compressed/head.S: work around new binutils warning 2013-06-05 23:32:27 +01:00
head-sharpsl.S Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
head-xscale.S ARM: remove ixp23xx and ixp2000 platforms 2012-04-06 08:26:18 -05:00
head.S ARM: 8677/1: boot/compressed: fix decompressor header layout for v7-M 2017-06-05 10:29:40 +01:00
libfdt_env.h libfdt: add fdt type definitions 2015-04-29 17:17:17 -05:00
ll_char_wr.S [ARM] Remove LOADREGS macro 2006-06-25 11:23:45 +01:00
misc.c stackprotector: Introduce CONFIG_CC_STACKPROTECTOR_STRONG 2013-12-20 09:38:40 +01:00
piggy.S ARM: 8542/1: decompressor: merge piggy.*.S and simplify Makefile 2016-02-22 16:56:31 +00:00
string.c ARM: boot: Add an implementation of strnlen for libfdt 2016-02-11 19:43:47 -06:00
vmlinux.lds.S ARM: add UEFI stub support 2015-12-14 10:38:21 +01:00