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Date: Wed, 20 Jan 2021 03:58:51 -0500 From: Miaohe Lin <linmiaohe@...wei.com> To: <akpm@...ux-foundation.org> CC: <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>, <linmiaohe@...wei.com> Subject: [PATCH] z3fold: Simplify the zhdr initialization code in init_z3fold_page() We can simplify the zhdr initialization by memset() the zhdr first instead of set struct member to zero one by one. This would also make code more compact and clear. Signed-off-by: Miaohe Lin <linmiaohe@...wei.com> --- mm/z3fold.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/mm/z3fold.c b/mm/z3fold.c index 8e53cdf4d190..c1ccf6bb0ffb 100644 --- a/mm/z3fold.c +++ b/mm/z3fold.c @@ -413,16 +413,10 @@ static struct z3fold_header *init_z3fold_page(struct page *page, bool headless, if (!slots) return NULL; + memset(zhdr, 0, sizeof(*zhdr)); spin_lock_init(&zhdr->page_lock); kref_init(&zhdr->refcount); - zhdr->first_chunks = 0; - zhdr->middle_chunks = 0; - zhdr->last_chunks = 0; - zhdr->first_num = 0; - zhdr->start_middle = 0; zhdr->cpu = -1; - zhdr->foreign_handles = 0; - zhdr->mapped_count = 0; zhdr->slots = slots; zhdr->pool = pool; INIT_LIST_HEAD(&zhdr->buddy); -- 2.19.1
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