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Message-ID: <20231204142146.91437-38-david@redhat.com>
Date: Mon, 4 Dec 2023 15:21:44 +0100
From: David Hildenbrand <david@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: linux-mm@...ck.org, David Hildenbrand <david@...hat.com>,
Andrew Morton <akpm@...ux-foundation.org>,
"Matthew Wilcox (Oracle)" <willy@...radead.org>,
Hugh Dickins <hughd@...gle.com>,
Ryan Roberts <ryan.roberts@....com>,
Yin Fengwei <fengwei.yin@...el.com>,
Mike Kravetz <mike.kravetz@...cle.com>,
Muchun Song <muchun.song@...ux.dev>,
Peter Xu <peterx@...hat.com>
Subject: [PATCH RFC 37/39] mm/rmap: remove page_try_dup_anon_rmap()
All users are gone, remove page_try_dup_anon_rmap() and any remaining
traces.
Signed-off-by: David Hildenbrand <david@...hat.com>
---
include/linux/rmap.h | 16 +++-------------
1 file changed, 3 insertions(+), 13 deletions(-)
diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index 84439f7720c62..3c1df8e020188 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -251,7 +251,7 @@ void hugetlb_add_anon_rmap(struct folio *, struct vm_area_struct *,
void hugetlb_add_new_anon_rmap(struct folio *, struct vm_area_struct *,
unsigned long address);
-/* See page_try_dup_anon_rmap() */
+/* See folio_try_dup_anon_rmap_*() */
static inline int hugetlb_try_dup_anon_rmap(struct folio *folio,
struct vm_area_struct *vma)
{
@@ -463,16 +463,6 @@ static inline int folio_try_dup_anon_rmap_pmd(struct folio *folio,
#endif
}
-static inline int page_try_dup_anon_rmap(struct page *page, bool compound,
- struct vm_area_struct *vma)
-{
- struct folio *folio = page_folio(page);
-
- if (likely(!compound))
- return folio_try_dup_anon_rmap_pte(folio, page, vma);
- return folio_try_dup_anon_rmap_pmd(folio, page, vma);
-}
-
/**
* page_try_share_anon_rmap - try marking an exclusive anonymous page possibly
* shared to prepare for KSM or temporary unmapping
@@ -481,8 +471,8 @@ static inline int page_try_dup_anon_rmap(struct page *page, bool compound,
* The caller needs to hold the PT lock and has to have the page table entry
* cleared/invalidated.
*
- * This is similar to page_try_dup_anon_rmap(), however, not used during fork()
- * to duplicate a mapping, but instead to prepare for KSM or temporarily
+ * This is similar to folio_try_dup_anon_rmap_*(), however, not used during
+ * fork() to duplicate a mapping, but instead to prepare for KSM or temporarily
* unmapping a page (swap, migration) via folio_remove_rmap_*().
*
* Marking the page shared can only fail if the page may be pinned; device
--
2.41.0
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