From: alexs@kernel.org
To: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
zik.eidus@ravellosystems.com, willy@infradead.org,
aarcange@redhat.com, hughd@google.com, chrisw@sous-sol.org,
david@redhat.com
Cc: "Alex Shi (tencent)" <alexs@kernel.org>,
Izik Eidus <izik.eidus@ravellosystems.com>
Subject: [PATCH v5 02/10] mm/ksm: use folio in remove_rmap_item_from_tree
Date: Thu, 11 Apr 2024 14:17:03 +0800 [thread overview]
Message-ID: <20240411061713.1847574-3-alexs@kernel.org> (raw)
In-Reply-To: <20240411061713.1847574-1-alexs@kernel.org>
From: "Alex Shi (tencent)" <alexs@kernel.org>
To save 2 compound_head calls.
Signed-off-by: Alex Shi (tencent) <alexs@kernel.org>
Cc: Izik Eidus <izik.eidus@ravellosystems.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Chris Wright <chrisw@sous-sol.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
---
mm/ksm.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/mm/ksm.c b/mm/ksm.c
index ac126a4c245c..ef5c4b6d377c 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -1006,16 +1006,16 @@ static void remove_rmap_item_from_tree(struct ksm_rmap_item *rmap_item)
{
if (rmap_item->address & STABLE_FLAG) {
struct ksm_stable_node *stable_node;
- struct page *page;
+ struct folio *folio;
stable_node = rmap_item->head;
- page = get_ksm_page(stable_node, GET_KSM_PAGE_LOCK);
- if (!page)
+ folio = ksm_get_folio(stable_node, GET_KSM_PAGE_LOCK);
+ if (!folio)
goto out;
hlist_del(&rmap_item->hlist);
- unlock_page(page);
- put_page(page);
+ folio_unlock(folio);
+ folio_put(folio);
if (!hlist_empty(&stable_node->hlist))
ksm_pages_sharing--;
--
2.43.0
next prev parent reply other threads:[~2024-04-11 6:14 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-11 6:17 [PATCH v5 0/10] transfer page to folio in KSM alexs
2024-04-11 6:17 ` [PATCH v5 01/10] mm/ksm: add ksm_get_folio alexs
2024-04-11 6:17 ` alexs [this message]
2024-04-11 6:17 ` [PATCH v5 03/10] mm/ksm: add folio_set_stable_node alexs
2024-04-11 6:17 ` [PATCH v5 04/10] mm/ksm: use folio in remove_stable_node alexs
2024-04-11 6:17 ` [PATCH v5 05/10] mm/ksm: use folio in stable_node_dup alexs
2024-04-11 6:17 ` [PATCH v5 06/10] mm/ksm: use ksm_get_folio in scan_get_next_rmap_item alexs
2024-04-11 6:17 ` [PATCH v5 07/10] mm/ksm: use folio in write_protect_page alexs
2024-04-11 6:17 ` [PATCH v5 08/10] mm/ksm: Convert chain series funcs and replace get_ksm_page alexs
[not found] ` <8a79bfbd-b01d-4425-8fd9-de2d3e6cd1af@redhat.com>
2024-04-11 11:38 ` Alex Shi
2024-04-11 6:17 ` [PATCH v5 09/10] mm/ksm: rename get_ksm_page_flags() to ksm_get_folio_flags alexs
[not found] ` <192aaa5c-3ff3-40c1-b12a-b674518bf5de@redhat.com>
2024-04-11 11:42 ` Alex Shi
[not found] ` <47686d5e-efd3-4431-b72c-620f749faeaa@redhat.com>
2024-04-11 20:42 ` Andrew Morton
2024-04-12 1:57 ` Alex Shi
2024-04-11 6:17 ` [PATCH v5 10/10] mm/ksm: replace set_page_stable_node by folio_set_stable_node alexs
2024-04-11 7:55 ` [PATCH v5 0/10] transfer page to folio in KSM David Hildenbrand
2024-04-11 11:45 ` Alex Shi
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