From: Liu Shixin <liushixin2@huawei.com> hulk inclusion category: bugfix bugzilla: 46904, https://gitee.com/openeuler/kernel/issues/I6FCQZ CVE: NA -------------------------------- When dynamic hugetlb is enabled, the hpool should be NULL for cont-bit hugepage, set it. Fixes: f15774c66bcd ("dhugetlb: only support 1G/2M hugepage and ARM64_4K_PAGES") Signed-off-by: Liu Shixin <liushixin2@huawei.com> Reviewed-by: Nanyong Sun <sunnanyong@huawei.com> Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: Yongqiang Liu <liuyongqiang13@huawei.com> --- fs/hugetlbfs/inode.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index d70c8aaf5acc..014ee6533e2e 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -1183,6 +1183,8 @@ static struct inode *hugetlbfs_alloc_inode(struct super_block *sb) if (huge_page_size(sbinfo->hstate) == PMD_SIZE || huge_page_size(sbinfo->hstate) == PUD_SIZE) p->hpool = get_dhugetlb_pool_from_task(current); + else + p->hpool = NULL; #endif return &p->vfs_inode; -- 2.25.1