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(parent: c47c640) | patch
zram: optimize memory operations with clear_page()/copy_page()
authorJiang Liu <liuj97@gmail.com>
Thu, 6 Jun 2013 16:07:30 +0000 (00:07 +0800)
committerChanho Park <chanho61.park@samsung.com>
Tue, 18 Nov 2014 02:47:14 +0000 (11:47 +0900)
commit35621628dc57a1a10c1668751a21512b5989715c
tree5365d377acbc00fc4d564c666f7929804098bb22tree | snapshot
parentc47c640d6090e2ddb8d231d73612e3c65a85b4c7commit | diff
zram: optimize memory operations with clear_page()/copy_page()

Some architectures provides architecture-specific, optimized version of
clear_page()/copy_page(), which may have better performance than
memset()/memcpy(). So use clear_page()/copy_page() to optimize zram
performance if possible.

Change-Id: If33e01891f1bc3790144f85c02e0869a02d0faae
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/zram/zram_drv.c diff | blob | history
Domain: System / Kernel;