Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2024-12-29 09:12:07 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

mm: huge_memory: use more folio api in __split_huge_page_tail()

Browse Source 
Use more folio APIs to save six compound_head() calls in
__split_huge_page_tail().

Link: https://lkml.kernel.org/r/20231110033324.2455523-5-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Kefeng Wang 2023-11-10 11:33:21 +08:00 committed by Andrew Morton
parent 39042079a0
commit b75427691f
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
mm/huge_memory.c
View File

@ -2509,13 +2509,13 @@ static void __split_huge_page_tail(struct folio *folio, int tail,
clear_compound_head(page_tail);
/* Finally unfreeze refcount. Additional reference from page cache. */
page_ref_unfreeze(page_tail, 1 + (!PageAnon(head) ||
PageSwapCache(head)));
page_ref_unfreeze(page_tail, 1 + (!folio_test_anon(folio) ||
folio_test_swapcache(folio)));
if (page_is_young(head))
set_page_young(page_tail);
if (page_is_idle(head))
set_page_idle(page_tail);
if (folio_test_young(folio))
folio_set_young(new_folio);
if (folio_test_idle(folio))
folio_set_idle(new_folio);
folio_xchg_last_cpupid(new_folio, folio_last_cpupid(folio));