diff options
| author | Sidhartha Kumar <sidhartha.kumar@oracle.com> | 2022-09-22 17:42:05 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-11-09 02:37:12 +0100 |
| commit | 149562f7509404c382c32c3fa8a6ba356135e5cf (patch) | |
| tree | 8974cad95cf861c3ee976644df251c1cca5ba00c /fs/hugetlbfs | |
| parent | mm: add private field of first tail to struct page and struct folio (diff) | |
| download | linux-149562f7509404c382c32c3fa8a6ba356135e5cf.tar.xz linux-149562f7509404c382c32c3fa8a6ba356135e5cf.zip | |
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')
| -rw-r--r-- | fs/hugetlbfs/inode.c | 8 |
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) |