diff options
Diffstat (limited to 'mm/rmap.c')
| -rw-r--r-- | mm/rmap.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index 19392e090bec..ae127f60a4fb 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1377,9 +1377,9 @@ void page_remove_rmap(struct page *page, struct vm_area_struct *vma, VM_BUG_ON_PAGE(compound && !PageHead(page), page); - /* Hugetlb pages are not counted in NR_*MAPPED */ - if (unlikely(folio_test_hugetlb(folio))) { - /* hugetlb pages are always mapped with pmds */ + /* Hugetlb pages usually are not counted in NR_*MAPPED */ + if (unlikely(folio_test_hugetlb(folio) && compound)) { + /* hugetlb pages are mapped with pmds */ atomic_dec(&folio->_entire_mapcount); return; } @@ -2328,7 +2328,7 @@ int make_device_exclusive_range(struct mm_struct *mm, unsigned long start, npages = get_user_pages_remote(mm, start, npages, FOLL_GET | FOLL_WRITE | FOLL_SPLIT_PMD, - pages, NULL, NULL); + pages, NULL); if (npages < 0) return npages; |