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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-05-13 06:23:04 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-05-13 17:20:16 +0300 |
| commit | 72827e5c2bcb86d56f8a8aa78fde0085d8535567 (patch) | |
| tree | 22cb976e6bc0c055f8e22451c09175841443d524 | |
| parent | 0c023ef52d769ea064df2c86bcdf29cbedb0a9b7 (diff) | |
| download | linux-72827e5c2bcb86d56f8a8aa78fde0085d8535567.tar.xz | |
mm/shmem: convert shmem_alloc_and_acct_page to use a folio
Convert shmem_alloc_hugepage() to return the folio that it uses and use a
folio throughout shmem_alloc_and_acct_page(). Continue to return a page
from shmem_alloc_and_acct_page() for now.
Link: https://lkml.kernel.org/r/20220504182857.4013401-22-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | mm/shmem.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index 668d054728bc..d5b23932357d 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -1523,7 +1523,7 @@ static gfp_t limit_gfp_mask(gfp_t huge_gfp, gfp_t limit_gfp) return result; } -static struct page *shmem_alloc_hugepage(gfp_t gfp, +static struct folio *shmem_alloc_hugefolio(gfp_t gfp, struct shmem_inode_info *info, pgoff_t index) { struct vm_area_struct pvma; @@ -1541,7 +1541,7 @@ static struct page *shmem_alloc_hugepage(gfp_t gfp, shmem_pseudo_vma_destroy(&pvma); if (!folio) count_vm_event(THP_FILE_FALLBACK); - return &folio->page; + return folio; } static struct folio *shmem_alloc_folio(gfp_t gfp, @@ -1568,7 +1568,7 @@ static struct page *shmem_alloc_and_acct_page(gfp_t gfp, pgoff_t index, bool huge) { struct shmem_inode_info *info = SHMEM_I(inode); - struct page *page; + struct folio *folio; int nr; int err = -ENOSPC; @@ -1580,13 +1580,13 @@ static struct page *shmem_alloc_and_acct_page(gfp_t gfp, goto failed; if (huge) - page = shmem_alloc_hugepage(gfp, info, index); + folio = shmem_alloc_hugefolio(gfp, info, index); else - page = shmem_alloc_page(gfp, info, index); - if (page) { - __SetPageLocked(page); - __SetPageSwapBacked(page); - return page; + folio = shmem_alloc_folio(gfp, info, index); + if (folio) { + __folio_set_locked(folio); + __folio_set_swapbacked(folio); + return &folio->page; } err = -ENOMEM; |