diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/page-flags.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 888353c209c0..7577fe7debaf 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -1095,7 +1095,12 @@ PAGEFLAG(Isolated, isolated, PF_ANY); static __always_inline int PageAnonExclusive(const struct page *page) { VM_BUG_ON_PGFLAGS(!PageAnon(page), page); - VM_BUG_ON_PGFLAGS(PageHuge(page) && !PageHead(page), page); + /* + * HugeTLB stores this information on the head page; THP keeps it per + * page + */ + if (PageHuge(page)) + page = compound_head(page); return test_bit(PG_anon_exclusive, &PF_ANY(page, 1)->flags); } |