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mm: remove page_rmapping()

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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@huawei.com
Signed-off-by: ZhangPeng <zhangpeng362@huawei.com>
Reviewed-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Nanyong Sun <sunnanyong@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
ZhangPeng 2023-07-01 11:28:53 +08:00 committed by Andrew Morton
parent 15b4919a1e
commit fc1878ec70
2 changed files with 0 additions and 7 deletions
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1
include/linux/mm.h
View File

@ -2170,7 +2170,6 @@ static inline void *folio_address(const struct folio *folio)
return page_address(&folio->page);
}
extern void *page_rmapping(struct page *page);
extern pgoff_t __page_file_index(struct page *page);
/*

6
mm/util.c
View File

@ -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;