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Diffstat (limited to 'fs/hugetlbfs')
-rw-r--r--fs/hugetlbfs/inode.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 239c7ca09b74..ec32fece5e1e 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -544,7 +544,7 @@ static long hugetlbfs_punch_hole(struct inode *inode, loff_t offset, loff_t len)
inode_lock(inode);
/* protected by i_mutex */
- if (info->seals & F_SEAL_WRITE) {
+ if (info->seals & (F_SEAL_WRITE | F_SEAL_FUTURE_WRITE)) {
inode_unlock(inode);
return -EPERM;
}
@@ -873,6 +873,18 @@ static int hugetlbfs_migrate_page(struct address_space *mapping,
rc = migrate_huge_page_move_mapping(mapping, newpage, page);
if (rc != MIGRATEPAGE_SUCCESS)
return rc;
+
+ /*
+ * page_private is subpool pointer in hugetlb pages. Transfer to
+ * new page. PagePrivate is not associated with page_private for
+ * hugetlb pages and can not be set here as only page_huge_active
+ * pages can be migrated.
+ */
+ if (page_private(page)) {
+ set_page_private(newpage, page_private(page));
+ set_page_private(page, 0);
+ }
+
if (mode != MIGRATE_SYNC_NO_COPY)
migrate_page_copy(newpage, page);
else