The patch titled
Subject: mm/ksm: use ksm_get_folio in scan_get_next_rmap_item
has been added to the -mm mm-unstable branch. Its filename is
mm-ksm-use-ksm_get_folio-in-scan_get_next_rmap_item.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-ksm-use-ksm_get_folio-in-scan_get_next_rmap_item.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: "Alex Shi (tencent)" <alexs@xxxxxxxxxx>
Subject: mm/ksm: use ksm_get_folio in scan_get_next_rmap_item
Date: Thu, 11 Apr 2024 14:17:07 +0800
Save a compound calls.
Link: https://lkml.kernel.org/r/20240411061713.1847574-7-alexs@xxxxxxxxxx
Signed-off-by: Alex Shi (tencent) <alexs@xxxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Cc: Izik Eidus <izik.eidus@xxxxxxxxxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Chris Wright <chrisw@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/ksm.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
--- a/mm/ksm.c~mm-ksm-use-ksm_get_folio-in-scan_get_next_rmap_item
+++ a/mm/ksm.c
@@ -2611,14 +2611,14 @@ static struct ksm_rmap_item *scan_get_ne
*/
if (!ksm_merge_across_nodes) {
struct ksm_stable_node *stable_node, *next;
- struct page *page;
+ struct folio *folio;
list_for_each_entry_safe(stable_node, next,
&migrate_nodes, list) {
- page = get_ksm_page(stable_node,
- GET_KSM_PAGE_NOLOCK);
- if (page)
- put_page(page);
+ folio = ksm_get_folio(stable_node,
+ GET_KSM_PAGE_NOLOCK);
+ if (folio)
+ folio_put(folio);
cond_resched();
}
}
_
Patches currently in -mm which might be from alexs@xxxxxxxxxx are
mm-ksm-add-ksm_get_folio.patch
mm-ksm-use-folio-in-remove_rmap_item_from_tree.patch
mm-ksm-add-folio_set_stable_node.patch
mm-ksm-use-folio-in-remove_stable_node.patch
mm-ksm-use-folio-in-stable_node_dup.patch
mm-ksm-use-ksm_get_folio-in-scan_get_next_rmap_item.patch
mm-ksm-use-folio-in-write_protect_page.patch
mm-ksm-convert-chain-series-funcs-and-replace-get_ksm_page.patch
mm-ksm-replace-set_page_stable_node-by-folio_set_stable_node.patch
