+ mm-remove-grab_cache_page.patch added to mm-new branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: mm: remove grab_cache_page()
has been added to the -mm mm-new branch.  Its filename is
     mm-remove-grab_cache_page.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-remove-grab_cache_page.patch

This patch will later appear in the mm-new branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Note, mm-new is a provisional staging ground for work-in-progress
patches, and acceptance into mm-new is a notification for others take
notice and to finish up reviews.  Please do not hesitate to respond to
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fixup patches in mm-new.

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------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Subject: mm: remove grab_cache_page()
Date: Mon, 21 Jul 2025 21:46:18 +0100

All callers have been converted to use filemap_grab_folio().

Link: https://lkml.kernel.org/r/20250721204619.163883-1-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/pagemap.h |   12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

--- a/include/linux/pagemap.h~mm-remove-grab_cache_page
+++ a/include/linux/pagemap.h
@@ -884,7 +884,8 @@ static inline struct page *find_or_creat
  * @mapping: target address_space
  * @index: the page index
  *
- * Same as grab_cache_page(), but do not wait if the page is unavailable.
+ * Returns locked page at given index in given cache, creating it if
+ * needed, but do not wait if the page is locked or to reclaim memory.
  * This is intended for speculative data generators, where the data can
  * be regenerated if the page couldn't be grabbed.  This routine should
  * be safe to call while holding the lock for another page.
@@ -948,15 +949,6 @@ unsigned filemap_get_folios_contig(struc
 unsigned filemap_get_folios_tag(struct address_space *mapping, pgoff_t *start,
 		pgoff_t end, xa_mark_t tag, struct folio_batch *fbatch);
 
-/*
- * Returns locked page at given index in given cache, creating it if needed.
- */
-static inline struct page *grab_cache_page(struct address_space *mapping,
-								pgoff_t index)
-{
-	return find_or_create_page(mapping, index, mapping_gfp_mask(mapping));
-}
-
 struct folio *read_cache_folio(struct address_space *, pgoff_t index,
 		filler_t *filler, struct file *file);
 struct folio *mapping_read_folio_gfp(struct address_space *, pgoff_t index,
_

Patches currently in -mm which might be from willy@infradead.org are

mm-remove-grab_cache_page.patch