diff options
| author | Mark Brown <broonie@kernel.org> | 2023-07-17 08:12:31 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-07-17 08:12:31 +0300 |
| commit | 0791faebfe750292a8a842b64795a390ca4a3b51 (patch) | |
| tree | 0e6095a5a0130398b0693bddfdc421c41eebda7c /mm/page_table_check.c | |
| parent | e8bf1741c14eb8e4a4e1364d45aeeab66660ab9b (diff) | |
| parent | fdf0eaf11452d72945af31804e2a1048ee1b574c (diff) | |
| download | linux-0791faebfe750292a8a842b64795a390ca4a3b51.tar.xz | |
ASoC: Merge v6.5-rc2
Get a similar baseline to my other branches, and fixes for people using
the branch.
Diffstat (limited to 'mm/page_table_check.c')
| -rw-r--r-- | mm/page_table_check.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/mm/page_table_check.c b/mm/page_table_check.c index 25d8610c0042..93ec7690a0d8 100644 --- a/mm/page_table_check.c +++ b/mm/page_table_check.c @@ -71,6 +71,8 @@ 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++) { @@ -107,6 +109,8 @@ 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++) { @@ -133,6 +137,8 @@ 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++) { @@ -190,7 +196,7 @@ void __page_table_check_pte_set(struct mm_struct *mm, unsigned long addr, if (&init_mm == mm) return; - __page_table_check_pte_clear(mm, addr, *ptep); + __page_table_check_pte_clear(mm, addr, ptep_get(ptep)); if (pte_user_accessible_page(pte)) { page_table_check_set(mm, addr, pte_pfn(pte), PAGE_SIZE >> PAGE_SHIFT, @@ -240,8 +246,10 @@ void __page_table_check_pte_clear_range(struct mm_struct *mm, pte_t *ptep = pte_offset_map(&pmd, addr); unsigned long i; + if (WARN_ON(!ptep)) + return; for (i = 0; i < PTRS_PER_PTE; i++) { - __page_table_check_pte_clear(mm, addr, *ptep); + __page_table_check_pte_clear(mm, addr, ptep_get(ptep)); addr += PAGE_SIZE; ptep++; } |