diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page_table_check.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/mm/page_table_check.c b/mm/page_table_check.c index 433dbce13fe1..4d0506537621 100644 --- a/mm/page_table_check.c +++ b/mm/page_table_check.c @@ -69,6 +69,8 @@ static void page_table_check_clear(struct mm_struct *mm, unsigned long addr, page = pfn_to_page(pfn); page_ext = page_ext_get(page); + + BUG_ON(PageSlab(page)); anon = PageAnon(page); for (i = 0; i < pgcnt; i++) { @@ -105,6 +107,8 @@ static void page_table_check_set(struct mm_struct *mm, unsigned long addr, page = pfn_to_page(pfn); page_ext = page_ext_get(page); + + BUG_ON(PageSlab(page)); anon = PageAnon(page); for (i = 0; i < pgcnt; i++) { @@ -131,6 +135,8 @@ void __page_table_check_zero(struct page *page, unsigned int order) struct page_ext *page_ext; unsigned long i; + BUG_ON(PageSlab(page)); + page_ext = page_ext_get(page); BUG_ON(!page_ext); for (i = 0; i < (1ul << order); i++) { |