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mm: convert destroy_compound_page() to destroy_large_folio() 

All callers now have a folio, so push the folio->page conversion
down to this function.

[akpm@linux-foundation.org: uninline destroy_large_folio() to fix build issue]
Link: https://lkml.kernel.org/r/20220617175020.717127-20-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2022-06-17 18:50:17 +01:00 committed by akpm
parent 188e8caee9
commit 5375336c8c
4 changed files with 12 additions and 8 deletions
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6
include/linux/mm.h
View File

@ -892,11 +892,7 @@ static inline void set_compound_page_dtor(struct page *page,
page[1].compound_dtor = compound_dtor;
}
static inline void destroy_compound_page(struct page *page)
{
VM_BUG_ON_PAGE(page[1].compound_dtor >= NR_COMPOUND_DTORS, page);
compound_page_dtors[page[1].compound_dtor](page);
}
void destroy_large_folio(struct folio *folio);
static inline int head_compound_pincount(struct page *head)
{

8
mm/page_alloc.c
View File

@ -744,6 +744,14 @@ void prep_compound_page(struct page *page, unsigned int order)
prep_compound_head(page, order);
}
void destroy_large_folio(struct folio *folio)
{
enum compound_dtor_id dtor = folio_page(folio, 1)->compound_dtor;
VM_BUG_ON_FOLIO(dtor >= NR_COMPOUND_DTORS, folio);
compound_page_dtors[dtor](&folio->page);
}
#ifdef CONFIG_DEBUG_PAGEALLOC
unsigned int _debug_guardpage_minorder;

2
mm/swap.c
View File

@ -115,7 +115,7 @@ static void __folio_put_large(struct folio *folio)
*/
if (!folio_test_hugetlb(folio))
__page_cache_release(folio);
destroy_compound_page(&folio->page);
destroy_large_folio(folio);
}
void __folio_put(struct folio *folio)

4
mm/vmscan.c
View File

@ -1979,7 +1979,7 @@ free_it:
* appear not as the counts should be low
*/
if (unlikely(folio_test_large(folio)))
destroy_compound_page(&folio->page);
destroy_large_folio(folio);
else
list_add(&folio->lru, &free_pages);
continue;
@ -2348,7 +2348,7 @@ static unsigned int move_pages_to_lru(struct lruvec *lruvec,
if (unlikely(folio_test_large(folio))) {
spin_unlock_irq(&lruvec->lru_lock);
destroy_compound_page(&folio->page);
destroy_large_folio(folio);
spin_lock_irq(&lruvec->lru_lock);
} else
list_add(&folio->lru, &folios_to_free);