The standard idiom for getting head page of a given folio is '&folio->page', but some are wrongly using 'folio_page(folio, 0)' for the purpose. Fix those to use the idiom. Suggested-by: Matthew Wilcox <willy@xxxxxxxxxxxxx> Signed-off-by: SeongJae Park <sj@xxxxxxxxxx> --- mm/slab.c | 4 ++-- mm/slub.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/mm/slab.c b/mm/slab.c index b77be9c6d6b1..a5398676dc60 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1389,7 +1389,7 @@ static void kmem_freepages(struct kmem_cache *cachep, struct slab *slab) BUG_ON(!folio_test_slab(folio)); __slab_clear_pfmemalloc(slab); - page_mapcount_reset(folio_page(folio, 0)); + page_mapcount_reset(&folio->page); folio->mapping = NULL; /* Make the mapping reset visible before clearing the flag */ smp_wmb(); @@ -1398,7 +1398,7 @@ static void kmem_freepages(struct kmem_cache *cachep, struct slab *slab) if (current->reclaim_state) current->reclaim_state->reclaimed_slab += 1 << order; unaccount_slab(slab, order, cachep); - __free_pages(folio_page(folio, 0), order); + __free_pages(&folio->page, order); } static void kmem_rcu_free(struct rcu_head *head) diff --git a/mm/slub.c b/mm/slub.c index 67020074ecb4..d5f20c062004 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2066,7 +2066,7 @@ static void __free_slab(struct kmem_cache *s, struct slab *slab) if (current->reclaim_state) current->reclaim_state->reclaimed_slab += pages; unaccount_slab(slab, order, s); - __free_pages(folio_page(folio, 0), order); + __free_pages(&folio->page, order); } static void rcu_free_slab(struct rcu_head *h) -- 2.25.1
