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| author | Vishal Moola (Oracle) <vishal.moola@gmail.com> | 2023-01-13 16:15:55 -0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-02-02 22:33:05 -0800 |
| commit | 92644f583d5124b60bc20a3dd21b0bc9142f020c (patch) | |
| tree | b748382416ec85750adb1350cef44fe08e82cb8f /mm | |
| parent | 62a9bbf2e999b9dca148bd342ab7a29fcf0cb120 (diff) | |
| download | lwn-92644f583d5124b60bc20a3dd21b0bc9142f020c.tar.gz lwn-92644f583d5124b60bc20a3dd21b0bc9142f020c.zip | |
mm/khugepaged: introduce release_pte_folio() to replace release_pte_page()
release_pte_page() is converted to be a wrapper for release_pte_folio() to
help facilitate the khugepaged conversion to folios.
This replaces 3 calls to compound_head() with 1, and saves 85 bytes of
kernel text.
Link: https://lkml.kernel.org/r/20230114001556.43795-1-vishal.moola@gmail.com
Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/khugepaged.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/mm/khugepaged.c b/mm/khugepaged.c index 57164c15e076..d7b993e53711 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -490,13 +490,18 @@ void __khugepaged_exit(struct mm_struct *mm) } } +static void release_pte_folio(struct folio *folio) +{ + node_stat_mod_folio(folio, + NR_ISOLATED_ANON + folio_is_file_lru(folio), + -folio_nr_pages(folio)); + folio_unlock(folio); + folio_putback_lru(folio); +} + static void release_pte_page(struct page *page) { - mod_node_page_state(page_pgdat(page), - NR_ISOLATED_ANON + page_is_file_lru(page), - -compound_nr(page)); - unlock_page(page); - putback_lru_page(page); + release_pte_folio(page_folio(page)); } static void release_pte_pages(pte_t *pte, pte_t *_pte, |