The quilt patch titled
Subject: mm: pass a folio to swap_writepage_fs()
has been removed from the -mm tree. Its filename was
mm-pass-a-folio-to-swap_writepage_fs.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: mm: pass a folio to swap_writepage_fs()
Date: Wed, 13 Dec 2023 21:58:32 +0000
Saves several calls to compound_head().
Link: https://lkml.kernel.org/r/20231213215842.671461-4-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_io.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
--- a/mm/page_io.c~mm-pass-a-folio-to-swap_writepage_fs
+++ a/mm/page_io.c
@@ -288,16 +288,16 @@ static void sio_write_complete(struct ki
mempool_free(sio, sio_pool);
}
-static void swap_writepage_fs(struct page *page, struct writeback_control *wbc)
+static void swap_writepage_fs(struct folio *folio, struct writeback_control *wbc)
{
struct swap_iocb *sio = NULL;
- struct swap_info_struct *sis = page_swap_info(page);
+ struct swap_info_struct *sis = swp_swap_info(folio->swap);
struct file *swap_file = sis->swap_file;
- loff_t pos = page_file_offset(page);
+ loff_t pos = folio_file_pos(folio);
- count_swpout_vm_event(page_folio(page));
- set_page_writeback(page);
- unlock_page(page);
+ count_swpout_vm_event(folio);
+ folio_start_writeback(folio);
+ folio_unlock(folio);
if (wbc->swap_plug)
sio = *wbc->swap_plug;
if (sio) {
@@ -315,8 +315,8 @@ static void swap_writepage_fs(struct pag
sio->pages = 0;
sio->len = 0;
}
- bvec_set_page(&sio->bvec[sio->pages], page, thp_size(page), 0);
- sio->len += thp_size(page);
+ bvec_set_folio(&sio->bvec[sio->pages], folio, folio_size(folio), 0);
+ sio->len += folio_size(folio);
sio->pages += 1;
if (sio->pages == ARRAY_SIZE(sio->bvec) || !wbc->swap_plug) {
swap_write_unplug(sio);
@@ -379,7 +379,7 @@ void __swap_writepage(struct folio *foli
* is safe.
*/
if (data_race(sis->flags & SWP_FS_OPS))
- swap_writepage_fs(&folio->page, wbc);
+ swap_writepage_fs(folio, wbc);
else if (sis->flags & SWP_SYNCHRONOUS_IO)
swap_writepage_bdev_sync(&folio->page, wbc, sis);
else
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
mm-remove-inc-dec-lruvec-page-state-functions.patch
slub-use-alloc_pages_node-in-alloc_slab_page.patch
slub-use-folio-apis-in-free_large_kmalloc.patch
slub-use-a-folio-in-__kmalloc_large_node.patch
mm-khugepaged-use-a-folio-more-in-collapse_file.patch
mm-memcontrol-remove-__mod_lruvec_page_state.patch
