Commit fc1878ec authored by ZhangPeng's avatar ZhangPeng Committed by Andrew Morton
Browse files

mm: remove page_rmapping() 

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: default avatarZhangPeng <zhangpeng362@huawei.com>
Reviewed-by: default avatarSidhartha Kumar <sidhartha.kumar@oracle.com>
Reviewed-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Nanyong Sun <sunnanyong@huawei.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 15b4919a

include/linux/mm.h

+0 −1
Original line number Diff line number Diff line
@@ -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);



/*

mm/util.c

+0 −6
Original line number Diff line number Diff line
@@ -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;