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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2021-12-24 13:26:22 -0500 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-03-21 12:56:36 -0400 |
| commit | d1d8a3b4d06d8c9188f2b9b89ef053db0bf899de (patch) | |
| tree | 668fcf14a95d86b2f699a9f9f4dda405ada015e4 /mm/folio-compat.c | |
| parent | 659508f9c936aa6e3aaf6e9cf6a4a8836b8f8355 (diff) | |
mm: Turn isolate_lru_page() into folio_isolate_lru()
Add isolate_lru_page() as a wrapper around isolate_lru_folio().
TestClearPageLRU() would have always failed on a tail page, so
returning -EBUSY is the same behaviour.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Diffstat (limited to 'mm/folio-compat.c')
| -rw-r--r-- | mm/folio-compat.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/folio-compat.c b/mm/folio-compat.c index 749555a232a8..a4a7725f4486 100644 --- a/mm/folio-compat.c +++ b/mm/folio-compat.c @@ -7,6 +7,7 @@ #include <linux/migrate.h> #include <linux/pagemap.h> #include <linux/swap.h> +#include "internal.h" struct address_space *page_mapping(struct page *page) { @@ -151,3 +152,10 @@ int try_to_release_page(struct page *page, gfp_t gfp) return filemap_release_folio(page_folio(page), gfp); } EXPORT_SYMBOL(try_to_release_page); + +int isolate_lru_page(struct page *page) +{ + if (WARN_RATELIMIT(PageTail(page), "trying to isolate tail page")) + return -EBUSY; + return folio_isolate_lru((struct folio *)page); +} |