linux-kernel - [PATCH v2 4/4] folio-compat: Remove try_to_release

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Date:   Thu, 17 Nov 2022 18:14:10 -0800
From:   "Vishal Moola (Oracle)" <vishal.moola@...il.com>
To:     linux-mm@...ck.org
Cc:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-ext4@...r.kernel.org, akpm@...ux-foundation.org,
        willy@...radead.org, naoya.horiguchi@....com, tytso@....edu,
        "Vishal Moola (Oracle)" <vishal.moola@...il.com>
Subject: [PATCH v2 4/4] folio-compat: Remove try_to_release_page()

There are no more callers of try_to_release_page(), so remove it. This
saves 149 bytes of kernel text.

Signed-off-by: Vishal Moola (Oracle) <vishal.moola@...il.com>
---
 include/linux/pagemap.h | 1 -
 mm/folio-compat.c       | 6 ------
 2 files changed, 7 deletions(-)

diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index bbccb4044222..daf5e1a1d313 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -1107,7 +1107,6 @@ void __filemap_remove_folio(struct folio *folio, void *shadow);
 void replace_page_cache_page(struct page *old, struct page *new);
 void delete_from_page_cache_batch(struct address_space *mapping,
 				  struct folio_batch *fbatch);
-int try_to_release_page(struct page *page, gfp_t gfp);
 bool filemap_release_folio(struct folio *folio, gfp_t gfp);
 loff_t mapping_seek_hole_data(struct address_space *, loff_t start, loff_t end,
 		int whence);
diff --git a/mm/folio-compat.c b/mm/folio-compat.c
index e1e23b4947d7..9318a0bd9155 100644
--- a/mm/folio-compat.c
+++ b/mm/folio-compat.c
@@ -129,12 +129,6 @@ void delete_from_page_cache(struct page *page)
 	return filemap_remove_folio(page_folio(page));
 }
 
-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"))
-- 
2.38.1