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(parent: a4aa50d) | 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)
committerMarek Szyprowski <m.szyprowski@samsung.com>
Thu, 15 May 2014 05:27:52 +0000 (07:27 +0200)
commitc58121171a041a3eb0ca10a5558774502ed3b322
treeb991883952bdaa50bc53b6f9753f6e6e716e3b18tree | snapshot
parenta4aa50db8865091c2b8a81be580c724dfbc6b8c6commit | 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;