The patch titled
Subject: mm: remove page_rmapping()
has been added to the -mm mm-unstable branch. Its filename is
mm-remove-page_rmapping.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-remove-page_rmapping.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: ZhangPeng <zhangpeng362@xxxxxxxxxx>
Subject: mm: remove page_rmapping()
Date: Sat, 1 Jul 2023 11:28:53 +0800
After converting the last user to folio_raw_mapping(), we can safely
remove the function.
Link: https://lkml.kernel.org/r/20230701032853.258697-3-zhangpeng362@xxxxxxxxxx
Signed-off-by: ZhangPeng <zhangpeng362@xxxxxxxxxx>
Reviewed-by: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Cc: Nanyong Sun <sunnanyong@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mm.h | 1 -
mm/util.c | 6 ------
2 files changed, 7 deletions(-)
--- a/include/linux/mm.h~mm-remove-page_rmapping
+++ a/include/linux/mm.h
@@ -2151,7 +2151,6 @@ static inline void *folio_address(const
return page_address(&folio->page);
}
-extern void *page_rmapping(struct page *page);
extern pgoff_t __page_file_index(struct page *page);
/*
--- a/mm/util.c~mm-remove-page_rmapping
+++ a/mm/util.c
@@ -734,12 +734,6 @@ void *vcalloc(size_t n, size_t size)
}
EXPORT_SYMBOL(vcalloc);
-/* Neutral page->mapping pointer to address_space or anon_vma or other */
-void *page_rmapping(struct page *page)
-{
- return folio_raw_mapping(page_folio(page));
-}
-
struct anon_vma *folio_anon_vma(struct folio *folio)
{
unsigned long mapping = (unsigned long)folio->mapping;
_
Patches currently in -mm which might be from zhangpeng362@xxxxxxxxxx are
mm-use-a-folio-in-fault_dirty_shared_page.patch
mm-remove-page_rmapping.patch
