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author | Jiri Kosina <jkosina@suse.cz> | 2022-01-10 09:49:13 +0100 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2022-01-10 09:49:13 +0100 |
commit | 8a2094d679d921d104d3296528d4fa419702ce1c (patch) | |
tree | 5feeb2f8b94eb3632109b778276ccd1007486770 /mm/swap.c | |
parent | 3809fe479861194e310c23ed48b010c7c0f72d22 (diff) | |
parent | b60d3c803d7603432a08aeaf988aff53b3a5ec64 (diff) |
Merge branch 'for-5.17/core' into for-linus
- support for USI style pens (Tero Kristo, Mika Westerberg)
- quirk for devices that need inverted X/Y axes (Alistair Francis)
- small core code cleanups and deduplication (Benjamin Tissoires)
Diffstat (limited to 'mm/swap.c')
-rw-r--r-- | mm/swap.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/mm/swap.c b/mm/swap.c index 8ff9ba7cf2de..e8c9dc6d0377 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -135,18 +135,28 @@ 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); + INIT_LIST_HEAD(pages); } EXPORT_SYMBOL(put_pages_list); |