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authorSidhartha Kumar <sidhartha.kumar@oracle.com>2022-09-22 10:42:05 -0500
committerAndrew Morton <akpm@linux-foundation.org>2022-11-08 17:37:12 -0800
commit149562f7509404c382c32c3fa8a6ba356135e5cf (patch)
tree8974cad95cf861c3ee976644df251c1cca5ba00c /fs/hugetlbfs/inode.c
parentd340625f4849ab5dbfebbc7d84709fbfcd39e52f (diff)
mm/hugetlb: add hugetlb_folio_subpool() helpers
Allow hugetlbfs_migrate_folio to check and read subpool information by passing in a folio. Link: https://lkml.kernel.org/r/20220922154207.1575343-4-sidhartha.kumar@oracle.com Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Colin Cross <ccross@google.com> Cc: David Howells <dhowells@redhat.com> Cc: "Eric W . Biederman" <ebiederm@xmission.com> Cc: Hugh Dickins <hughd@google.com> Cc: kernel test robot <lkp@intel.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Muchun Song <songmuchun@bytedance.com> Cc: Peter Xu <peterx@redhat.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: William Kucharski <william.kucharski@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'fs/hugetlbfs/inode.c')
-rw-r--r--fs/hugetlbfs/inode.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index dd54f67e47fd..c5137607e523 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -1091,10 +1091,10 @@ static int hugetlbfs_migrate_folio(struct address_space *mapping,
if (rc != MIGRATEPAGE_SUCCESS)
return rc;
- if (hugetlb_page_subpool(&src->page)) {
- hugetlb_set_page_subpool(&dst->page,
- hugetlb_page_subpool(&src->page));
- hugetlb_set_page_subpool(&src->page, NULL);
+ if (hugetlb_folio_subpool(src)) {
+ hugetlb_set_folio_subpool(dst,
+ hugetlb_folio_subpool(src));
+ hugetlb_set_folio_subpool(src, NULL);
}
if (mode != MIGRATE_SYNC_NO_COPY)