From: "Matthew Wilcox (Oracle)" willy@infradead.org
mainline inclusion from mainline-v6.9-rc1 commit 6871cc5742f411bf8ebbcb78b4afeb992d888228 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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There's no need to indirect through release_pages() and iterate over this batch of folios an extra time; we can just use the batch that we have.
Link: https://lkml.kernel.org/r/20240227174254.710559-5-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) willy@infradead.org Reviewed-by: Ryan Roberts ryan.roberts@arm.com Cc: David Hildenbrand david@redhat.com Cc: Mel Gorman mgorman@suse.de Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Liu Shixin liushixin2@huawei.com --- mm/swap.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/mm/swap.c b/mm/swap.c index 3d51f8c72017..1cfb7b897ebd 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -1083,8 +1083,7 @@ void __folio_batch_release(struct folio_batch *fbatch) lru_add_drain(); fbatch->percpu_pvec_drained = true; } - release_pages(fbatch->folios, folio_batch_count(fbatch)); - folio_batch_reinit(fbatch); + folios_put(fbatch); } EXPORT_SYMBOL(__folio_batch_release);