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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-10-19 19:33:31 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-11-08 17:37:18 -0800 |
| commit | 524984ff66ee4b63264dffe568c3547a20b4136c (patch) | |
| tree | 3a49ec8c2ede1958bb6dbd4a426b68cfe7f25e0e /mm/memcontrol.c | |
| parent | dd8095b15a6034165bc48da1eb6d0acc73c1558a (diff) | |
| download | lwn-524984ff66ee4b63264dffe568c3547a20b4136c.tar.gz lwn-524984ff66ee4b63264dffe568c3547a20b4136c.zip | |
mm: convert find_get_incore_page() to filemap_get_incore_folio()
Return the containing folio instead of the precise page. One of the
callers wants the folio and the other can do the folio->page conversion
itself. Nets 442 bytes of text size reduction, 478 bytes removed and 36
bytes added.
Link: https://lkml.kernel.org/r/20221019183332.2802139-4-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/memcontrol.c')
| -rw-r--r-- | mm/memcontrol.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index f264a856ba86..fd707dcd6d04 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -5648,15 +5648,21 @@ static struct page *mc_handle_swap_pte(struct vm_area_struct *vma, static struct page *mc_handle_file_pte(struct vm_area_struct *vma, unsigned long addr, pte_t ptent) { + unsigned long index; + struct folio *folio; + if (!vma->vm_file) /* anonymous vma */ return NULL; if (!(mc.flags & MOVE_FILE)) return NULL; - /* page is moved even if it's not RSS of this task(page-faulted). */ + /* folio is moved even if it's not RSS of this task(page-faulted). */ /* shmem/tmpfs may report page out on swap: account for that too. */ - return find_get_incore_page(vma->vm_file->f_mapping, - linear_page_index(vma, addr)); + index = linear_page_index(vma, addr); + folio = filemap_get_incore_folio(vma->vm_file->f_mapping, index); + if (!folio) + return NULL; + return folio_file_page(folio, index); } /** |