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mm/folio: replace set_compound_order with folio_set_order

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The patch ("mm/folio: Avoid special handling for order value 0 in
folio_set_order") [1] removed the need for special handling of order = 0
in folio_set_order.  Now, folio_set_order and set_compound_order becomes
similar function.  This patch removes the set_compound_order and uses
folio_set_order instead.

[1] https://lore.kernel.org/all/20230609183032.13E08C433D2@smtp.kernel.org/

Link: https://lkml.kernel.org/r/20230612093514.689846-1-tsahu@linux.ibm.com
Signed-off-by: Tarun Sahu <tsahu@linux.ibm.com>
Reviewed-by Sidhartha Kumar <sidhartha.kumar@oracle.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Tarun Sahu 2023-06-12 15:05:14 +05:30 committed by Andrew Morton
parent 0bb488498c
commit 1e3be4856f
2 changed files with 16 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
include/linux/mm.h
View File

@ -1232,16 +1232,6 @@ static inline void folio_set_compound_dtor(struct folio *folio,
void destroy_large_folio(struct folio *folio);
static inline void set_compound_order(struct page *page, unsigned int order)
{
struct folio *folio = (struct folio *)page;
folio->_folio_order = order;
#ifdef CONFIG_64BIT
folio->_folio_nr_pages = 1U << order;
#endif
}
/* Returns the number of bytes in this potentially compound page. */
static inline unsigned long page_size(struct page *page)
{

32
mm/internal.h
View File

@ -387,12 +387,27 @@ extern void memblock_free_pages(struct page *page, unsigned long pfn,
unsigned int order);
extern void __free_pages_core(struct page *page, unsigned int order);
/*
* This will have no effect, other than possibly generating a warning, if the
* caller passes in a non-large folio.
*/
static inline void folio_set_order(struct folio *folio, unsigned int order)
{
if (WARN_ON_ONCE(!order || !folio_test_large(folio)))
return;
folio->_folio_order = order;
#ifdef CONFIG_64BIT
folio->_folio_nr_pages = 1U << order;
#endif
}
static inline void prep_compound_head(struct page *page, unsigned int order)
{
struct folio *folio = (struct folio *)page;
folio_set_compound_dtor(folio, COMPOUND_PAGE_DTOR);
set_compound_order(page, order);
folio_set_order(folio, order);
atomic_set(&folio->_entire_mapcount, -1);
atomic_set(&folio->_nr_pages_mapped, 0);
atomic_set(&folio->_pincount, 0);
@ -432,21 +447,6 @@ void memmap_init_range(unsigned long, int, unsigned long, unsigned long,
int split_free_page(struct page *free_page,
unsigned int order, unsigned long split_pfn_offset);
/*
* This will have no effect, other than possibly generating a warning, if the
* caller passes in a non-large folio.
*/
static inline void folio_set_order(struct folio *folio, unsigned int order)
{
if (WARN_ON_ONCE(!order || !folio_test_large(folio)))
return;
folio->_folio_order = order;
#ifdef CONFIG_64BIT
folio->_folio_nr_pages = 1U << order;
#endif
}
#if defined CONFIG_COMPACTION || defined CONFIG_CMA
/*