Allows hugetlb subpool information to be set through a folio.
Signed-off-by: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
---
fs/hugetlbfs/inode.c | 4 ++--
include/linux/hugetlb.h | 8 +++++++-
2 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index c2e9c0cdbd81..d9e08c445e2f 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -1152,9 +1152,9 @@ static int hugetlbfs_migrate_folio(struct address_space *mapping,
return rc;
if (hugetlb_folio_subpool(src)) {
- hugetlb_set_page_subpool(&dst->page,
+ hugetlb_set_folio_subpool(dst,
hugetlb_folio_subpool(src));
- hugetlb_set_page_subpool(&src->page, NULL);
+ hugetlb_set_folio_subpool(src, NULL);
}
if (mode != MIGRATE_SYNC_NO_COPY)
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 3602e4cda31f..68177725a897 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -757,10 +757,16 @@ static inline struct hugepage_subpool *hugetlb_page_subpool(struct page *hpage)
return hugetlb_folio_subpool(page_folio(hpage));
}
+static inline void hugetlb_set_folio_subpool(struct folio *folio,
+ struct hugepage_subpool *subpool)
+{
+ folio_set_private_1(folio, (unsigned long)subpool);
+}
+
static inline void hugetlb_set_page_subpool(struct page *hpage,
struct hugepage_subpool *subpool)
{
- set_page_private(hpage + SUBPAGE_INDEX_SUBPOOL, (unsigned long)subpool);
+ hugetlb_set_folio_subpool(page_folio(hpage), subpool);
}
static inline struct hstate *hstate_file(struct file *f)
--
2.31.1
