[v1,37/39] mm/rmap: remove page_try_dup_anon_rmap()

Message ID	20231211155652.131054-38-david@redhat.com (mailing list archive)
State	New
Headers	show Return-Path: <owner-linux-mm@kvack.org> 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 (Oracle)" <willy@infradead.org>, Hugh Dickins <hughd@google.com>, Ryan Roberts <ryan.roberts@arm.com>, Yin Fengwei <fengwei.yin@intel.com>, Mike Kravetz <mike.kravetz@oracle.com>, Muchun Song <muchun.song@linux.dev>, Peter Xu <peterx@redhat.com> Subject: [PATCH v1 37/39] mm/rmap: remove page_try_dup_anon_rmap() Date: Mon, 11 Dec 2023 16:56:50 +0100 Message-ID: <20231211155652.131054-38-david@redhat.com> In-Reply-To: <20231211155652.131054-1-david@redhat.com> References: <20231211155652.131054-1-david@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org Precedence: bulk
Series	mm/rmap: interface overhaul \| expand [v1,00/39] mm/rmap: interface overhaul [v1,01/39] mm/rmap: rename hugepage_add* to hugetlb_add* [v1,02/39] mm/rmap: introduce and use hugetlb_remove_rmap() [v1,03/39] mm/rmap: introduce and use hugetlb_add_file_rmap() [v1,04/39] mm/rmap: introduce and use hugetlb_try_dup_anon_rmap() [v1,05/39] mm/rmap: introduce and use hugetlb_try_share_anon_rmap() [v1,06/39] mm/rmap: add hugetlb sanity checks [v1,07/39] mm/rmap: convert folio_add_file_rmap_range() into folio_add_file_rmap_[pte\|ptes\|pmd]() [v1,08/39] mm/memory: page_add_file_rmap() -> folio_add_file_rmap_[pte\|pmd]() [v1,09/39] mm/huge_memory: page_add_file_rmap() -> folio_add_file_rmap_pmd() [v1,10/39] mm/migrate: page_add_file_rmap() -> folio_add_file_rmap_pte() [v1,11/39] mm/userfaultfd: page_add_file_rmap() -> folio_add_file_rmap_pte() [v1,12/39] mm/rmap: remove page_add_file_rmap() [v1,13/39] mm/rmap: factor out adding folio mappings into __folio_add_rmap() [v1,14/39] mm/rmap: introduce folio_add_anon_rmap_[pte\|ptes\|pmd]() [v1,15/39] mm/huge_memory: batch rmap operations in __split_huge_pmd_locked() [v1,16/39] mm/huge_memory: page_add_anon_rmap() -> folio_add_anon_rmap_pmd() [v1,17/39] mm/migrate: page_add_anon_rmap() -> folio_add_anon_rmap_pte() [v1,18/39] mm/ksm: page_add_anon_rmap() -> folio_add_anon_rmap_pte() [v1,19/39] mm/swapfile: page_add_anon_rmap() -> folio_add_anon_rmap_pte() [v1,20/39] mm/memory: page_add_anon_rmap() -> folio_add_anon_rmap_pte() [v1,21/39] mm/rmap: remove page_add_anon_rmap() [v1,22/39] mm/rmap: remove RMAP_COMPOUND [v1,23/39] mm/rmap: introduce folio_remove_rmap_[pte\|ptes\|pmd]() [v1,24/39] kernel/events/uprobes: page_remove_rmap() -> folio_remove_rmap_pte() [v1,25/39] mm/huge_memory: page_remove_rmap() -> folio_remove_rmap_pmd() [v1,26/39] mm/khugepaged: page_remove_rmap() -> folio_remove_rmap_pte() [v1,27/39] mm/ksm: page_remove_rmap() -> folio_remove_rmap_pte() [v1,28/39] mm/memory: page_remove_rmap() -> folio_remove_rmap_pte() [v1,29/39] mm/migrate_device: page_remove_rmap() -> folio_remove_rmap_pte() [v1,30/39] mm/rmap: page_remove_rmap() -> folio_remove_rmap_pte() [v1,31/39] Documentation: stop referring to page_remove_rmap() [v1,32/39] mm/rmap: remove page_remove_rmap() [v1,33/39] mm/rmap: convert page_dup_file_rmap() to folio_dup_file_rmap_[pte\|ptes\|pmd]() [v1,34/39] mm/rmap: introduce folio_try_dup_anon_rmap_[pte\|ptes\|pmd]() [v1,35/39] mm/huge_memory: page_try_dup_anon_rmap() -> folio_try_dup_anon_rmap_pmd() [v1,36/39] mm/memory: page_try_dup_anon_rmap() -> folio_try_dup_anon_rmap_pte() [v1,37/39] mm/rmap: remove page_try_dup_anon_rmap() [v1,38/39] mm: convert page_try_share_anon_rmap() to folio_try_share_anon_rmap_[pte\|pmd]() [v1,39/39] mm/rmap: rename COMPOUND_MAPPED to ENTIRELY_MAPPED

Message ID

20231211155652.131054-38-david@redhat.com (mailing list archive)

State

New

Headers

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 (Oracle)" <willy@infradead.org>,
	Hugh Dickins <hughd@google.com>,
	Ryan Roberts <ryan.roberts@arm.com>,
	Yin Fengwei <fengwei.yin@intel.com>,
	Mike Kravetz <mike.kravetz@oracle.com>,
	Muchun Song <muchun.song@linux.dev>,
	Peter Xu <peterx@redhat.com>
Subject: [PATCH v1 37/39] mm/rmap: remove page_try_dup_anon_rmap()
Date: Mon, 11 Dec 2023 16:56:50 +0100
Message-ID: <20231211155652.131054-38-david@redhat.com>
In-Reply-To: <20231211155652.131054-1-david@redhat.com>
References: <20231211155652.131054-1-david@redhat.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Sender: owner-linux-mm@kvack.org
Precedence: bulk

Series

mm/rmap: interface overhaul | expand

Commit Message

David Hildenbrand Dec. 11, 2023, 3:56 p.m. UTC

All users are gone, remove page_try_dup_anon_rmap() and any remaining
traces.

Signed-off-by: David Hildenbrand <david@redhat.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 c6d8a02ecd56..1e37ee6ae0ba 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -256,7 +256,7 @@  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)
 {
@@ -481,16 +481,6 @@  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
@@ -499,8 +489,8 @@  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

[v1,37/39] mm/rmap: remove page_try_dup_anon_rmap()

Commit Message

Patch