Commit 5ce1f484 authored by David Hildenbrand's avatar David Hildenbrand Committed by Andrew Morton
Browse files

mm: remove total_mapcount() 

All users of total_mapcount() are gone, let's remove it.

Link: https://lkml.kernel.org/r/20240226141324.278526-3-david@redhat.com


Signed-off-by: default avatarDavid Hildenbrand <david@redhat.com>
Reviewed-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent b4d02baa

include/linux/mm.h

+1 −8
Original line number Diff line number Diff line
@@ -1183,7 +1183,7 @@ static inline int is_vmalloc_or_module_addr(const void *x) 
 * How many times the entire folio is mapped as a single unit (eg by a

 * PMD or PUD entry).  This is probably not what you want, except for

 * debugging purposes - it does not include PTE-mapped sub-pages; look

 * at folio_mapcount() or page_mapcount() or total_mapcount() instead.

 * at folio_mapcount() or page_mapcount() instead.

 */

static inline int folio_entire_mapcount(struct folio *folio)

{
@@ -1243,13 +1243,6 @@ static inline int folio_mapcount(struct folio *folio) 
	return folio_total_mapcount(folio);

}



static inline int total_mapcount(struct page *page)

{

	if (likely(!PageCompound(page)))

		return atomic_read(&page->_mapcount) + 1;

	return folio_total_mapcount(page_folio(page));

}



static inline bool folio_large_is_mapped(struct folio *folio)

{

	/*