From: Miaohe Lin <linmiaohe@xxxxxxxxxx> Subject: 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@xxxxxxxxxx Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> Cc: Minchan Kim <minchan@xxxxxxxxxx> Cc: Nitin Gupta <ngupta@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/zsmalloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/zsmalloc.c~mm-zsmallocc-use-page_private-to-access-page-private +++ a/mm/zsmalloc.c @@ -816,7 +816,7 @@ static int get_pages_per_zspage(int clas static struct zspage *get_zspage(struct page *page) { - struct zspage *zspage = (struct zspage *)page->private; + struct zspage *zspage = (struct zspage *)page_private(page); BUG_ON(zspage->magic != ZSPAGE_MAGIC); return zspage; _
