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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-05-27 11:29:35 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-05-27 11:29:35 -0700 |
| commit | 77fb622de1393b1d54f24f4f7ed98f84feeda502 (patch) | |
| tree | c23243c07995b6a906b90ce4c0bfc1c514aab61f /mm/page_table_check.c | |
| parent | 6f664045c8688c40ad0591abd6ab89db9ecd7945 (diff) | |
| parent | 24c8e27e63224ce832b4723cb60632d3eddb55de (diff) | |
| download | linux-stable-77fb622de1393b1d54f24f4f7ed98f84feeda502.tar.gz linux-stable-77fb622de1393b1d54f24f4f7ed98f84feeda502.tar.bz2 linux-stable-77fb622de1393b1d54f24f4f7ed98f84feeda502.zip | |
Merge tag 'mm-hotfixes-stable-2022-05-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull hotfixes from Andrew Morton:
"Six hotfixes.
The page_table_check one from Miaohe Lin is considered a minor thing
so it isn't marked for -stable. The remainder address pre-5.19 issues
and are cc:stable"
* tag 'mm-hotfixes-stable-2022-05-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm/page_table_check: fix accessing unmapped ptep
kexec_file: drop weak attribute from arch_kexec_apply_relocations[_add]
mm/page_alloc: always attempt to allocate at least one page during bulk allocation
hugetlb: fix huge_pmd_unshare address update
zsmalloc: fix races between asynchronous zspage free and page migration
Revert "mm/cma.c: remove redundant cma_mutex lock"
Diffstat (limited to 'mm/page_table_check.c')
| -rw-r--r-- | mm/page_table_check.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/page_table_check.c b/mm/page_table_check.c index 3692bea2ea2c..e2062748791a 100644 --- a/mm/page_table_check.c +++ b/mm/page_table_check.c @@ -234,11 +234,11 @@ void __page_table_check_pte_clear_range(struct mm_struct *mm, pte_t *ptep = pte_offset_map(&pmd, addr); unsigned long i; - pte_unmap(ptep); for (i = 0; i < PTRS_PER_PTE; i++) { __page_table_check_pte_clear(mm, addr, *ptep); addr += PAGE_SIZE; ptep++; } + pte_unmap(ptep - PTRS_PER_PTE); } } |