From: "Matthew Wilcox (Oracle)" willy@infradead.org
mainline inclusion from mainline-v6.10-rc1 commit 2542b1ac9a46ac58f9565de0048457956898d481 category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I9R3AY CVE: NA
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i...
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destroy_large_folio() has only one caller, move its contents there.
Link: https://lkml.kernel.org/r/20240405153228.2563754-4-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) willy@infradead.org Reviewed-by: Zi Yan ziy@nvidia.com Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Liu Shixin liushixin2@huawei.com --- include/linux/mm.h | 2 -- mm/page_alloc.c | 14 -------------- mm/swap.c | 13 ++++++++++--- 3 files changed, 10 insertions(+), 19 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h index 0d570b3eb301..9b71b877c8d3 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1321,8 +1321,6 @@ void folio_copy(struct folio *dst, struct folio *src);
unsigned long nr_free_buffer_pages(void);
-void destroy_large_folio(struct folio *folio); - /* Returns the number of bytes in this potentially compound page. */ static inline unsigned long page_size(struct page *page) { diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 19ba7cf4e80d..9780cc3c8365 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -591,20 +591,6 @@ void prep_compound_page(struct page *page, unsigned int order) prep_compound_head(page, order); }
-void destroy_large_folio(struct folio *folio) -{ - if (folio_test_hugetlb(folio)) { - free_huge_folio(folio); - return; - } - - if (folio_test_large_rmappable(folio)) - folio_undo_large_rmappable(folio); - - mem_cgroup_uncharge(folio); - free_unref_page(&folio->page, folio_order(folio)); -} - static inline void set_buddy_order(struct page *page, unsigned int order) { set_page_private(page, order); diff --git a/mm/swap.c b/mm/swap.c index f5307db46062..862a8e69def6 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -127,9 +127,16 @@ static void __folio_put_large(struct folio *folio) * (it's never listed to any LRU lists) and no memcg routines should * be called for hugetlb (it has a separate hugetlb_cgroup.) */ - if (!folio_test_hugetlb(folio)) - page_cache_release(folio); - destroy_large_folio(folio); + if (folio_test_hugetlb(folio)) { + free_huge_folio(folio); + return; + } + + page_cache_release(folio); + if (folio_test_large_rmappable(folio)) + folio_undo_large_rmappable(folio); + mem_cgroup_uncharge(folio); + free_unref_page(&folio->page, folio_order(folio)); }
void __folio_put(struct folio *folio)