zram: optimize memory operations with clear_page()/copy_page()

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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.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Jiang Liu 2013-06-07 00:07:30 +08:00 • committed by Greg Kroah-Hartman

parent 0f0e3ba346

commit 42e99bd975

1 changed files with 16 additions and 11 deletions

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drivers/staging/zram/zram_drv.c

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