The patch titled
Subject: mm: remove PageUnevictable
has been added to the -mm mm-unstable branch. Its filename is
mm-remove-pageunevictable.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-remove-pageunevictable.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: mm: remove PageUnevictable
Date: Wed, 21 Aug 2024 20:34:38 +0100
There is only one caller of PageUnevictable() left; convert it to call
folio_test_unevictable() and remove all the page accessors.
Link: https://lkml.kernel.org/r/20240821193445.2294269-6-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/page-flags.h | 6 +++---
mm/huge_memory.c | 16 ++++++++--------
2 files changed, 11 insertions(+), 11 deletions(-)
--- a/include/linux/page-flags.h~mm-remove-pageunevictable
+++ a/include/linux/page-flags.h
@@ -580,9 +580,9 @@ FOLIO_CLEAR_FLAG(swapcache, FOLIO_HEAD_P
FOLIO_FLAG_FALSE(swapcache)
#endif
-PAGEFLAG(Unevictable, unevictable, PF_HEAD)
- __CLEARPAGEFLAG(Unevictable, unevictable, PF_HEAD)
- TESTCLEARFLAG(Unevictable, unevictable, PF_HEAD)
+FOLIO_FLAG(unevictable, FOLIO_HEAD_PAGE)
+ __FOLIO_CLEAR_FLAG(unevictable, FOLIO_HEAD_PAGE)
+ FOLIO_TEST_CLEAR_FLAG(unevictable, FOLIO_HEAD_PAGE)
#ifdef CONFIG_MMU
PAGEFLAG(Mlocked, mlocked, PF_NO_TAIL)
--- a/mm/huge_memory.c~mm-remove-pageunevictable
+++ a/mm/huge_memory.c
@@ -3016,25 +3016,25 @@ static void remap_page(struct folio *fol
}
}
-static void lru_add_page_tail(struct page *head, struct page *tail,
+static void lru_add_page_tail(struct folio *folio, struct page *tail,
struct lruvec *lruvec, struct list_head *list)
{
- VM_BUG_ON_PAGE(!PageHead(head), head);
- VM_BUG_ON_PAGE(PageLRU(tail), head);
+ VM_BUG_ON_FOLIO(!folio_test_large(folio), folio);
+ VM_BUG_ON_FOLIO(PageLRU(tail), folio);
lockdep_assert_held(&lruvec->lru_lock);
if (list) {
/* page reclaim is reclaiming a huge page */
- VM_WARN_ON(PageLRU(head));
+ VM_WARN_ON(folio_test_lru(folio));
get_page(tail);
list_add_tail(&tail->lru, list);
} else {
/* head is still on lru (and we have it frozen) */
- VM_WARN_ON(!PageLRU(head));
- if (PageUnevictable(tail))
+ VM_WARN_ON(!folio_test_lru(folio));
+ if (folio_test_unevictable(folio))
tail->mlock_count = 0;
else
- list_add_tail(&tail->lru, &head->lru);
+ list_add_tail(&tail->lru, &folio->lru);
SetPageLRU(tail);
}
}
@@ -3133,7 +3133,7 @@ static void __split_huge_page_tail(struc
* pages to show after the currently processed elements - e.g.
* migrate_pages
*/
- lru_add_page_tail(head, page_tail, lruvec, list);
+ lru_add_page_tail(folio, page_tail, lruvec, list);
}
static void __split_huge_page(struct page *page, struct list_head *list,
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
fs-remove-calls-to-set-and-clear-the-folio-error-flag.patch
mm-remove-pg_error.patch
mm-return-the-folio-from-swapin_readahead.patch
printf-remove-%pgt-support.patch
mm-introduce-page_mapcount_is_type.patch
mm-support-only-one-page_type-per-page.patch
zsmalloc-use-all-available-24-bits-of-page_type.patch
mm-remove-pageactive.patch
mm-remove-pageswapbacked.patch
mm-remove-pagereadahead.patch
mm-remove-pageswapcache.patch
mm-remove-pageunevictable.patch
mm-remove-pagemlocked.patch
mm-remove-pageownerpriv1.patch
mm-remove-page_has_private.patch
mm-rename-pg_mappedtodisk-to-pg_owner_2.patch
x86-remove-pg_uncached.patch
