From: Vitaly Wool <vitaly.wool@konsulko.com>
To: Miaohe Lin <linmiaohe@huawei.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/9] mm/z3fold: minor clean up for z3fold_free
Date: Wed, 2 Mar 2022 09:21:26 +0100 [thread overview]
Message-ID: <CAM4kBBL3ZDTnB4bWLRZSow1jaAeVwuJx4rbnzsVdy06p1Fnf-A@mail.gmail.com> (raw)
In-Reply-To: <20220219092533.12596-4-linmiaohe@huawei.com>
On Sat, Feb 19, 2022 at 10:26 AM Miaohe Lin <linmiaohe@huawei.com> wrote:
>
> Use put_z3fold_header() to pair with get_z3fold_header. Also fix the wrong
> comments. Minor readability improvement.
>
> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Vitaly Wool <vitaly.wool@konsulko.com>
> ---
> mm/z3fold.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/mm/z3fold.c b/mm/z3fold.c
> index 87689f50f709..eb89271aea83 100644
> --- a/mm/z3fold.c
> +++ b/mm/z3fold.c
> @@ -1187,9 +1187,9 @@ static int z3fold_alloc(struct z3fold_pool *pool, size_t size, gfp_t gfp,
> * @handle: handle associated with the allocation returned by z3fold_alloc()
> *
> * In the case that the z3fold page in which the allocation resides is under
> - * reclaim, as indicated by the PG_reclaim flag being set, this function
> - * only sets the first|last_chunks to 0. The page is actually freed
> - * once both buddies are evicted (see z3fold_reclaim_page() below).
> + * reclaim, as indicated by the PAGE_CLAIMED flag being set, this function
> + * only sets the first|middle|last_chunks to 0. The page is actually freed
> + * once all buddies are evicted (see z3fold_reclaim_page() below).
> */
> static void z3fold_free(struct z3fold_pool *pool, unsigned long handle)
> {
> @@ -1247,7 +1247,7 @@ static void z3fold_free(struct z3fold_pool *pool, unsigned long handle)
> }
> if (page_claimed) {
> /* the page has not been claimed by us */
> - z3fold_page_unlock(zhdr);
> + put_z3fold_header(zhdr);
> return;
> }
> if (test_and_set_bit(NEEDS_COMPACTING, &page->private)) {
> --
> 2.23.0
>
next prev parent reply other threads:[~2022-03-02 8:21 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-19 9:25 [PATCH 0/9] A few cleanup patches for z3fold Miaohe Lin
2022-02-19 9:25 ` [PATCH 1/9] mm/z3fold: declare z3fold_mount with __init Miaohe Lin
2022-03-02 8:17 ` Vitaly Wool
2022-02-19 9:25 ` [PATCH 2/9] mm/z3fold: remove obsolete comment in z3fold_alloc Miaohe Lin
2022-03-02 8:18 ` Vitaly Wool
2022-02-19 9:25 ` [PATCH 3/9] mm/z3fold: minor clean up for z3fold_free Miaohe Lin
2022-03-02 8:21 ` Vitaly Wool [this message]
2022-02-19 9:25 ` [PATCH 4/9] mm/z3fold: remove unneeded page_mapcount_reset and ClearPagePrivate Miaohe Lin
2022-03-02 8:22 ` Vitaly Wool
2022-02-19 9:25 ` [PATCH 5/9] mm/z3fold: remove confusing local variable l reassignment Miaohe Lin
2022-03-02 8:24 ` Vitaly Wool
2022-02-19 9:25 ` [PATCH 6/9] mm/z3fold: move decrement of pool->pages_nr into __release_z3fold_page() Miaohe Lin
2022-02-19 16:33 ` David Laight
2022-02-21 2:53 ` Miaohe Lin
2022-02-21 5:17 ` David Laight
2022-02-21 11:37 ` Miaohe Lin
2022-03-02 8:31 ` Vitaly Wool
2022-03-02 9:12 ` David Laight
2022-03-02 10:19 ` Vitaly Wool
2022-03-03 2:27 ` Miaohe Lin
2022-02-19 9:25 ` [PATCH 7/9] mm/z3fold: remove redundant list_del_init of zhdr->buddy in z3fold_free Miaohe Lin
2022-03-02 8:38 ` Vitaly Wool
2022-02-19 9:25 ` [PATCH 8/9] mm/z3fold: remove unneeded PAGE_HEADLESS check in free_handle() Miaohe Lin
2022-02-19 9:25 ` [PATCH 9/9] mm/z3fold: remove unneeded return value of z3fold_compact_page() Miaohe Lin
2022-02-19 20:37 ` Souptick Joarder
2022-03-02 8:40 ` Vitaly Wool
2022-03-02 8:56 ` Miaohe Lin
2022-03-01 13:03 ` [PATCH 0/9] A few cleanup patches for z3fold Miaohe Lin
2022-03-01 17:36 ` Andrew Morton
2022-03-02 1:54 ` Miaohe Lin
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