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mm/hugetlb: convert free_huge_page to folios 

Use folios inside free_huge_page(), this is in preparation for converting
hugetlb_cgroup_uncharge_page() to take in a folio.

Link: https://lkml.kernel.org/r/20221101223059.460937-7-sidhartha.kumar@oracle.com
Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Bui Quang Minh <minhquangbui99@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Mina Almasry <almasrymina@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Sidhartha Kumar 2022-11-01 15:30:56 -07:00 committed by Andrew Morton
parent d5e33bd8c1
commit 0356c4b96f
1 changed files with 14 additions and 13 deletions
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27
mm/hugetlb.c
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@ -1704,21 +1704,22 @@ void free_huge_page(struct page *page)
* Can't pass hstate in here because it is called from the
* compound page destructor.
*/
struct hstate *h = page_hstate(page);
int nid = page_to_nid(page);
struct hugepage_subpool *spool = hugetlb_page_subpool(page);
struct folio *folio = page_folio(page);
struct hstate *h = folio_hstate(folio);
int nid = folio_nid(folio);
struct hugepage_subpool *spool = hugetlb_folio_subpool(folio);
bool restore_reserve;
unsigned long flags;
VM_BUG_ON_PAGE(page_count(page), page);
VM_BUG_ON_PAGE(page_mapcount(page), page);
VM_BUG_ON_FOLIO(folio_ref_count(folio), folio);
VM_BUG_ON_FOLIO(folio_mapcount(folio), folio);
hugetlb_set_page_subpool(page, NULL);
if (PageAnon(page))
__ClearPageAnonExclusive(page);
page->mapping = NULL;
restore_reserve = HPageRestoreReserve(page);
ClearHPageRestoreReserve(page);
hugetlb_set_folio_subpool(folio, NULL);
if (folio_test_anon(folio))
__ClearPageAnonExclusive(&folio->page);
folio->mapping = NULL;
restore_reserve = folio_test_hugetlb_restore_reserve(folio);
folio_clear_hugetlb_restore_reserve(folio);
/*
* If HPageRestoreReserve was set on page, page allocation consumed a
@ -1740,7 +1741,7 @@ void free_huge_page(struct page *page)
}
spin_lock_irqsave(&hugetlb_lock, flags);
ClearHPageMigratable(page);
folio_clear_hugetlb_migratable(folio);
hugetlb_cgroup_uncharge_page(hstate_index(h),
pages_per_huge_page(h), page);
hugetlb_cgroup_uncharge_page_rsvd(hstate_index(h),
@ -1748,7 +1749,7 @@ void free_huge_page(struct page *page)
if (restore_reserve)
h->resv_huge_pages++;
if (HPageTemporary(page)) {
if (folio_test_hugetlb_temporary(folio)) {
remove_hugetlb_page(h, page, false);
spin_unlock_irqrestore(&hugetlb_lock, flags);
update_and_free_page(h, page, true);