Commit b95826c9 authored by Sidhartha Kumar's avatar Sidhartha Kumar Committed by Andrew Morton
Browse files

mm: remove set_compound_page_dtor() 

All users can use the folio equivalent so this function can be safely
removed.

Link: https://lkml.kernel.org/r/20230612163405.99345-1-sidhartha.kumar@oracle.com


Signed-off-by: default avatarSidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Tarun Sahu <tsahu@linux.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent a92cbb82

include/linux/mm.h

+0 −10
Original line number Diff line number Diff line
@@ -1223,16 +1223,6 @@ enum compound_dtor_id { 
};

extern compound_page_dtor * const compound_page_dtors[NR_COMPOUND_DTORS];



static inline void set_compound_page_dtor(struct page *page,

		enum compound_dtor_id compound_dtor)

{

	struct folio *folio = (struct folio *)page;



	VM_BUG_ON_PAGE(compound_dtor >= NR_COMPOUND_DTORS, page);

	VM_BUG_ON_PAGE(!PageHead(page), page);

	folio->_folio_dtor = compound_dtor;

}



static inline void folio_set_compound_dtor(struct folio *folio,

		enum compound_dtor_id compound_dtor)

{

mm/huge_memory.c

+1 −1
Original line number Diff line number Diff line
@@ -583,7 +583,7 @@ void prep_transhuge_page(struct page *page) 


	VM_BUG_ON_FOLIO(folio_order(folio) < 2, folio);

	INIT_LIST_HEAD(&folio->_deferred_list);

	set_compound_page_dtor(page, TRANSHUGE_PAGE_DTOR);

	folio_set_compound_dtor(folio, TRANSHUGE_PAGE_DTOR);

}



static inline bool is_transparent_hugepage(struct page *page)

mm/internal.h

+1 −1
Original line number Diff line number Diff line
@@ -391,7 +391,7 @@ static inline void prep_compound_head(struct page *page, unsigned int order) 
{

	struct folio *folio = (struct folio *)page;



	set_compound_page_dtor(page, COMPOUND_PAGE_DTOR);

	folio_set_compound_dtor(folio, COMPOUND_PAGE_DTOR);

	set_compound_order(page, order);

	atomic_set(&folio->_entire_mapcount, -1);

	atomic_set(&folio->_nr_pages_mapped, 0);