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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-12-14 00:58:42 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-12-29 22:58:32 +0300 |
| commit | a4575c4138db887bd27dc7f87cf7cfb0224c6f5e (patch) | |
| tree | caf1b69628705d083bb756e7d00f94e6be1d1624 /mm/shmem.c | |
| parent | 6e03492e9d288d9ce886064289e2768da5d7d967 (diff) | |
| download | linux-a4575c4138db887bd27dc7f87cf7cfb0224c6f5e.tar.xz | |
mm: convert swap_cluster_readahead and swap_vma_readahead to return a folio
shmem_swapin_cluster() immediately converts the page back to a folio, and
swapin_readahead() may as well call folio_file_page() once instead of
having each function call it.
[willy@infradead.org: avoid NULL pointer deref]
Link: https://lkml.kernel.org/r/ZYI7OcVlM1voKfBl@casper.infradead.org
Link: https://lkml.kernel.org/r/20231213215842.671461-14-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/shmem.c')
| -rw-r--r-- | mm/shmem.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index c62f904ba1ca..a4d388973021 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -1570,15 +1570,13 @@ static struct folio *shmem_swapin_cluster(swp_entry_t swap, gfp_t gfp, { struct mempolicy *mpol; pgoff_t ilx; - struct page *page; + struct folio *folio; mpol = shmem_get_pgoff_policy(info, index, 0, &ilx); - page = swap_cluster_readahead(swap, gfp, mpol, ilx); + folio = swap_cluster_readahead(swap, gfp, mpol, ilx); mpol_cond_put(mpol); - if (!page) - return NULL; - return page_folio(page); + return folio; } /* |