The quilt patch titled
Subject: swap: convert swap_writepage() to use a folio
has been removed from the -mm tree. Its filename was
swap-convert-swap_writepage-to-use-a-folio.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: swap: convert swap_writepage() to use a folio
Date: Fri, 2 Sep 2022 20:46:36 +0100
Removes many calls to compound_head().
Link: https://lkml.kernel.org/r/20220902194653.1739778-41-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_io.c | 21 +++++++++++----------
1 file changed, 11 insertions(+), 10 deletions(-)
--- a/mm/page_io.c~swap-convert-swap_writepage-to-use-a-folio
+++ a/mm/page_io.c
@@ -180,29 +180,30 @@ bad_bmap:
*/
int swap_writepage(struct page *page, struct writeback_control *wbc)
{
+ struct folio *folio = page_folio(page);
int ret = 0;
- if (try_to_free_swap(page)) {
- unlock_page(page);
+ if (folio_free_swap(folio)) {
+ folio_unlock(folio);
goto out;
}
/*
* Arch code may have to preserve more data than just the page
* contents, e.g. memory tags.
*/
- ret = arch_prepare_to_swap(page);
+ ret = arch_prepare_to_swap(&folio->page);
if (ret) {
- set_page_dirty(page);
- unlock_page(page);
+ folio_mark_dirty(folio);
+ folio_unlock(folio);
goto out;
}
- if (frontswap_store(page) == 0) {
- set_page_writeback(page);
- unlock_page(page);
- end_page_writeback(page);
+ if (frontswap_store(&folio->page) == 0) {
+ folio_start_writeback(folio);
+ folio_unlock(folio);
+ folio_end_writeback(folio);
goto out;
}
- ret = __swap_writepage(page, wbc);
+ ret = __swap_writepage(&folio->page, wbc);
out:
return ret;
}
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
