mm/zsmalloc.c: use page_private() to access page->private
It's recommended to use helper macro page_private() to access the private field of page. Use such helper to eliminate direct access. Link: https://lkml.kernel.org/r/20210203091857.20017-1-linmiaohe@huawei.comSigned-off-by: Miaohe Lin <linmiaohe@huawei.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Nitin Gupta <ngupta@vflare.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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