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authorMatthew Wilcox <mawilcox@microsoft.com>2017-09-09 02:14:07 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-09-09 04:26:48 +0300
commit48ad1abef40226ce809e5b7d3a5898754c4b9a9a (patch)
tree0ed46388591b7c95983846873cab484256f6a3f0 /drivers/scsi/gvp11.c
parent92ce4c3ea7c44e61ca2b6ef3e5682bfcea851d87 (diff)
downloadlinux-48ad1abef40226ce809e5b7d3a5898754c4b9a9a.tar.xz
drivers/block/zram/zram_drv.c: convert to using memset_l
zram was the motivation for creating memset_l(). Minchan Kim sees a 7% performance improvement on x86 with 100MB of non-zero deduplicatable data: perf stat -r 10 dd if=/dev/zram0 of=/dev/null vanilla: 0.232050465 seconds time elapsed ( +- 0.51% ) memset_l: 0.217219387 seconds time elapsed ( +- 0.07% ) Link: http://lkml.kernel.org/r/20170720184539.31609-7-willy@infradead.org Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com> Tested-by: Minchan Kim <minchan@kernel.org> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: "James E.J. Bottomley" <jejb@linux.vnet.ibm.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: David Miller <davem@davemloft.net> Cc: Ingo Molnar <mingo@elte.hu> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Russell King <rmk+kernel@armlinux.org.uk> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/scsi/gvp11.c')
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