[PATCH v6 26/27] mm/filemap: Convert wake_up_page_bit to wake_up_folio_bit
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: 2021-03-31 18:57:15
Also in:
linux-fsdevel, lkml
Subsystem:
memory management, page cache, the rest · Maintainers:
Andrew Morton, Matthew Wilcox, Linus Torvalds
All callers have a folio, so use it directly. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- mm/filemap.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/mm/filemap.c b/mm/filemap.c
index 76e1c4be1205..51b2091d402c 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c@@ -1121,14 +1121,14 @@ static int wake_page_function(wait_queue_entry_t *wait, unsigned mode, int sync, return (flags & WQ_FLAG_EXCLUSIVE) != 0; } -static void wake_up_page_bit(struct page *page, int bit_nr) +static void wake_up_folio_bit(struct folio *folio, int bit_nr) { - wait_queue_head_t *q = page_waitqueue(page); + wait_queue_head_t *q = page_waitqueue(&folio->page); struct wait_page_key key; unsigned long flags; wait_queue_entry_t bookmark; - key.page = page; + key.page = &folio->page; key.bit_nr = bit_nr; key.page_match = 0;
@@ -1163,7 +1163,7 @@ static void wake_up_page_bit(struct page *page, int bit_nr) * page waiters. */ if (!waitqueue_active(q) || !key.page_match) { - ClearPageWaiters(page); + ClearFolioWaiters(folio); /* * It's possible to miss clearing Waiters here, when we woke * our page waiters, but the hashed waitqueue has waiters for
@@ -1179,7 +1179,7 @@ static void wake_up_folio(struct folio *folio, int bit) { if (!FolioWaiters(folio)) return; - wake_up_page_bit(&folio->page, bit); + wake_up_folio_bit(folio, bit); } /*
@@ -1444,7 +1444,7 @@ void unlock_folio(struct folio *folio) BUILD_BUG_ON(PG_waiters != 7); VM_BUG_ON_FOLIO(!FolioLocked(folio), folio); if (clear_bit_unlock_is_negative_byte(PG_locked, folio_flags(folio, 0))) - wake_up_page_bit(&folio->page, PG_locked); + wake_up_folio_bit(folio, PG_locked); } EXPORT_SYMBOL(unlock_folio);
@@ -1461,10 +1461,10 @@ EXPORT_SYMBOL(unlock_folio); */ void unlock_page_private_2(struct page *page) { - page = compound_head(page); - VM_BUG_ON_PAGE(!PagePrivate2(page), page); - clear_bit_unlock(PG_private_2, &page->flags); - wake_up_page_bit(page, PG_private_2); + struct folio *folio = page_folio(page); + VM_BUG_ON_FOLIO(!FolioPrivate2(folio), folio); + clear_bit_unlock(PG_private_2, folio_flags(folio, 0)); + wake_up_folio_bit(folio, PG_private_2); } EXPORT_SYMBOL(unlock_page_private_2);
--
2.30.2