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authorMiaohe Lin <linmiaohe@huawei.com>2021-02-24 23:09:22 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-02-25 00:38:34 +0300
commitc457cd96f18c7137287700c409d2ae16c6395256 (patch)
tree74773ceb5fb7d8d599ff97aa9bd2bb89bd2d2881 /mm/z3fold.c
parent70ad3196a68b0857b49811da7a94ad4f5a8e75bb (diff)
downloadlinux-c457cd96f18c7137287700c409d2ae16c6395256.tar.xz
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. Link: https://lkml.kernel.org/r/20210120085851.16159-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Cc: Vitaly Wool <vitaly.wool@konsulko.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/z3fold.c')
-rw-r--r--mm/z3fold.c8
1 files changed, 1 insertions, 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);