Messages in this thread | | | Subject | Re: [PATCH 6/6] mm: hugetlb: remove VM_BUG_ON_PAGE from page_huge_active | From | Mike Kravetz <> | Date | Mon, 4 Jan 2021 17:50:09 -0800 |
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On 1/3/21 10:58 PM, Muchun Song wrote: > The page_huge_active() can be called from scan_movable_pages() which > do not hold a reference count to the HugeTLB page. So when we call > page_huge_active() from scan_movable_pages(), the HugeTLB page can > be freed parallel. Then we will trigger a BUG_ON which is in the > page_huge_active() when CONFIG_DEBUG_VM is enabled. Just remove the > VM_BUG_ON_PAGE. > > Fixes: 7e1f049efb86 ("mm: hugetlb: cleanup using paeg_huge_active()") > Signed-off-by: Muchun Song <songmuchun@bytedance.com> > --- > mm/hugetlb.c | 1 - > 1 file changed, 1 deletion(-)
Thanks!
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
-- Mike Kravetz
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