linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: David Hildenbrand <david@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org, David Hildenbrand <david@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Matthew Wilcox <willy@infradead.org>
Subject: [PATCH v2 2/2] mm: remove total_mapcount()
Date: Mon, 26 Feb 2024 15:13:24 +0100	[thread overview]
Message-ID: <20240226141324.278526-3-david@redhat.com> (raw)
In-Reply-To: <20240226141324.278526-1-david@redhat.com>

All users of total_mapcount() are gone, let's remove it.

Signed-off-by: David Hildenbrand <david@redhat.com>
---
 include/linux/mm.h | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 6f4825d829656..49e22a2f6cccc 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1183,7 +1183,7 @@ static inline int is_vmalloc_or_module_addr(const void *x)
  * How many times the entire folio is mapped as a single unit (eg by a
  * PMD or PUD entry).  This is probably not what you want, except for
  * debugging purposes - it does not include PTE-mapped sub-pages; look
- * at folio_mapcount() or page_mapcount() or total_mapcount() instead.
+ * at folio_mapcount() or page_mapcount() instead.
  */
 static inline int folio_entire_mapcount(struct folio *folio)
 {
@@ -1243,13 +1243,6 @@ static inline int folio_mapcount(struct folio *folio)
 	return folio_total_mapcount(folio);
 }
 
-static inline int total_mapcount(struct page *page)
-{
-	if (likely(!PageCompound(page)))
-		return atomic_read(&page->_mapcount) + 1;
-	return folio_total_mapcount(page_folio(page));
-}
-
 static inline bool folio_large_is_mapped(struct folio *folio)
 {
 	/*
-- 
2.43.2



  parent reply	other threads:[~2024-02-26 14:14 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-26 14:13 [PATCH v2 0/2] " David Hildenbrand
2024-02-26 14:13 ` [PATCH v2 1/2] mm/memfd: refactor memfd_tag_pins() and memfd_wait_for_pins() David Hildenbrand
2024-02-26 16:07   ` Matthew Wilcox
2024-02-26 16:56     ` David Hildenbrand
2024-02-27 15:27       ` Matthew Wilcox
2024-02-26 14:13 ` David Hildenbrand [this message]
2024-02-26 16:09   ` [PATCH v2 2/2] mm: remove total_mapcount() Matthew Wilcox

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20240226141324.278526-3-david@redhat.com \
    --to=david@redhat.com \
    --cc=akpm@linux-foundation.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=willy@infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox