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Code Issues Releases Wiki Activity

hugetlb: remove uses of folio_mapcount_ptr

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Use the entire_mapcount field directly.

Link: https://lkml.kernel.org/r/20230111142915.1001531-14-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) 2023-01-11 14:28:59 +00:00 committed by Andrew Morton
parent 91ec7f284a
commit 46f2722825
1 changed files with 2 additions and 2 deletions
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4
mm/hugetlb.c
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@ -1474,7 +1474,7 @@ static void __destroy_compound_gigantic_folio(struct folio *folio,
int nr_pages = 1 << order;
struct page *p;
atomic_set(folio_mapcount_ptr(folio), 0);
atomic_set(&folio->_entire_mapcount, 0);
atomic_set(&folio->_nr_pages_mapped, 0);
atomic_set(&folio->_pincount, 0);
@ -1996,7 +1996,7 @@ static bool __prep_compound_gigantic_folio(struct folio *folio,
if (i != 0)
set_compound_head(p, &folio->page);
}
atomic_set(folio_mapcount_ptr(folio), -1);
atomic_set(&folio->_entire_mapcount, -1);
atomic_set(&folio->_nr_pages_mapped, 0);
atomic_set(&folio->_pincount, 0);
return true;