[PATCH v4 5/6] Good bye remove_from_page_cache
From: Minchan Kim <hidden>
Date: 2011-02-06 10:49:26
Also in:
lkml
Subsystem:
memory management, page cache, the rest · Maintainers:
Andrew Morton, Matthew Wilcox, Jan Kara, Linus Torvalds
Now delete_from_page_cache replaces remove_from_page_cache. So we remove remove_from_page_cache so fs or something out of mainline will notice it when compile time and can fix it. Cc: Christoph Hellwig <hch@infradead.org> Acked-by: Hugh Dickins <hughd@google.com> Acked-by: Mel Gorman <redacted> Reviewed-by: KAMEZAWA Hiroyuki <redacted> Reviewed-by: Johannes Weiner <hannes@cmpxchg.org> Reviewed-by: KOSAKI Motohiro <redacted> Signed-off-by: Minchan Kim <redacted> --- include/linux/pagemap.h | 1 - mm/filemap.c | 26 ++++++++++---------------- 2 files changed, 10 insertions(+), 17 deletions(-)
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index a943985..631b1b6 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h@@ -455,7 +455,6 @@ int add_to_page_cache_locked(struct page *page, struct address_space *mapping, pgoff_t index, gfp_t gfp_mask); int add_to_page_cache_lru(struct page *page, struct address_space *mapping, pgoff_t index, gfp_t gfp_mask); -extern void remove_from_page_cache(struct page *page); extern void __remove_from_page_cache(struct page *page); extern void delete_from_page_cache(struct page *page); int replace_page_cache_page(struct page *old, struct page *new, gfp_t gfp_mask);
diff --git a/mm/filemap.c b/mm/filemap.c
index f056d0c..5f3a389 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c@@ -148,7 +148,16 @@ void __remove_from_page_cache(struct page *page) } } -void remove_from_page_cache(struct page *page) +/** + * delete_from_page_cache - delete page from page cache + * @page: the page which the kernel is trying to remove from page cache + * + * This must be called only on pages that have + * been verified to be in the page cache and locked. + * It will never put the page into the free list, + * the caller has a reference on the page. + */ +void delete_from_page_cache(struct page *page) { struct address_space *mapping = page->mapping; void (*freepage)(struct page *);
@@ -163,21 +172,6 @@ void remove_from_page_cache(struct page *page) if (freepage) freepage(page); -} -EXPORT_SYMBOL(remove_from_page_cache); - -/** - * delete_from_page_cache - delete page from page cache - * @page: the page which the kernel is trying to remove from page cache - * - * This must be called only on pages that have - * been verified to be in the page cache and locked. - * It will never put the page into the free list, - * the caller has a reference on the page. - */ -void delete_from_page_cache(struct page *page) -{ - remove_from_page_cache(page); page_cache_release(page); } EXPORT_SYMBOL(delete_from_page_cache);
--
1.7.1
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