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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: "Matthew Wilcox (Oracle)" Convert the page to a folio. This removes some of the last uses of a few page APIs (detach_page_private(), page_buffers()). Replaces two calls to compound_head() with one. Remove the early return in free_buffers() to avoid memory leak and uninitialized file bitmap pages.[1][2] Link: https://sashiko.dev/#/patchset/20260913-remove-pg_private-v4-0-848550f7574e%40nvidia.com?part=2 [1] Link: https://lore.kernel.org/all/aqgfA0QFi98gXYG2@casper.infradead.org/ [2] Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: David Hildenbrand (Arm) [dropped the early return] Signed-off-by: Zi Yan --- drivers/md/md-bitmap.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c index 5f1637f974c15..02a126968ad40 100644 --- a/drivers/md/md-bitmap.c +++ b/drivers/md/md-bitmap.c @@ -533,19 +533,15 @@ static void write_file_page(struct bitmap *bitmap, struct page *page, int wait) static void free_buffers(struct page *page) { - struct buffer_head *bh; - - if (!PagePrivate(page)) - return; + struct folio *folio = page_folio(page); + struct buffer_head *bh = folio_detach_private(folio); - bh = page_buffers(page); while (bh) { struct buffer_head *next = bh->b_this_page; free_buffer_head(bh); bh = next; } - detach_page_private(page); - put_page(page); + folio_put(folio); } /* read a page from a file. -- 2.53.0