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authorLinus Torvalds2021-11-06 14:08:17 -0700
committerLinus Torvalds2021-11-06 14:08:17 -0700
commit512b7931ad0561ffe14265f9ff554a3c081b476b (patch)
treea94450d08468e094d2d92a495de4650faab09c1f /mm/swap.c
parentfe91c4725aeed35023ba4f7a1e1adfebb6878c23 (diff)
parent658f9ae761b5965893727dd4edcdad56e5a439bb (diff)
Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton: "257 patches. Subsystems affected by this patch series: scripts, ocfs2, vfs, and mm (slab-generic, slab, slub, kconfig, dax, kasan, debug, pagecache, gup, swap, memcg, pagemap, mprotect, mremap, iomap, tracing, vmalloc, pagealloc, memory-failure, hugetlb, userfaultfd, vmscan, tools, memblock, oom-kill, hugetlbfs, migration, thp, readahead, nommu, ksm, vmstat, madvise, memory-hotplug, rmap, zsmalloc, highmem, zram, cleanups, kfence, and damon)" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (257 commits) mm/damon: remove return value from before_terminate callback mm/damon: fix a few spelling mistakes in comments and a pr_debug message mm/damon: simplify stop mechanism Docs/admin-guide/mm/pagemap: wordsmith page flags descriptions Docs/admin-guide/mm/damon/start: simplify the content Docs/admin-guide/mm/damon/start: fix a wrong link Docs/admin-guide/mm/damon/start: fix wrong example commands mm/damon/dbgfs: add adaptive_targets list check before enable monitor_on mm/damon: remove unnecessary variable initialization Documentation/admin-guide/mm/damon: add a document for DAMON_RECLAIM mm/damon: introduce DAMON-based Reclamation (DAMON_RECLAIM) selftests/damon: support watermarks mm/damon/dbgfs: support watermarks mm/damon/schemes: activate schemes based on a watermarks mechanism tools/selftests/damon: update for regions prioritization of schemes mm/damon/dbgfs: support prioritization weights mm/damon/vaddr,paddr: support pageout prioritization mm/damon/schemes: prioritize regions within the quotas mm/damon/selftests: support schemes quotas mm/damon/dbgfs: support quotas of schemes ...
Diffstat (limited to 'mm/swap.c')
-rw-r--r--mm/swap.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/mm/swap.c b/mm/swap.c
index 8ff9ba7cf2de..1841c24682f8 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -135,18 +135,27 @@ EXPORT_SYMBOL(__put_page);
* put_pages_list() - release a list of pages
* @pages: list of pages threaded on page->lru
*
- * Release a list of pages which are strung together on page.lru. Currently
- * used by read_cache_pages() and related error recovery code.
+ * Release a list of pages which are strung together on page.lru.
*/
void put_pages_list(struct list_head *pages)
{
- while (!list_empty(pages)) {
- struct page *victim;
+ struct page *page, *next;
- victim = lru_to_page(pages);
- list_del(&victim->lru);
- put_page(victim);
+ list_for_each_entry_safe(page, next, pages, lru) {
+ if (!put_page_testzero(page)) {
+ list_del(&page->lru);
+ continue;
+ }
+ if (PageHead(page)) {
+ list_del(&page->lru);
+ __put_compound_page(page);
+ continue;
+ }
+ /* Cannot be PageLRU because it's passed to us using the lru */
+ __ClearPageWaiters(page);
}
+
+ free_unref_page_list(pages);
}
EXPORT_SYMBOL(put_pages_list);