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mm: remove PageUnevictable

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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@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2024-08-21 20:34:38 +01:00 committed by Andrew Morton
parent 32f51ead3d
commit cb29e7941d
2 changed files with 11 additions and 11 deletions
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6
include/linux/page-flags.h
View File

@ -580,9 +580,9 @@ FOLIO_CLEAR_FLAG(swapcache, FOLIO_HEAD_PAGE)
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)

16
mm/huge_memory.c
View File

@ -2932,25 +2932,25 @@ static void remap_page(struct folio *folio, unsigned long nr)
}
}
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);
}
}
@ -3049,7 +3049,7 @@ static void __split_huge_page_tail(struct folio *folio, int tail,
* 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,