diff options
| author | Andrew Morton <akpm@linux-foundation.org> | 2024-06-25 14:51:36 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-07-03 19:30:16 -0700 |
| commit | d40f74ab9d6158979a20957ead0e0dec7040ec37 (patch) | |
| tree | 69ba444751a96b428fff6d8dbf209b9d5646e600 | |
| parent | f41e355f8b48d894324a3fdc9727e08b1bce78e2 (diff) | |
mm/huge_memory.c: fix used-uninitialized
Fix used-uninitialized of `page'.
Fixes: dce7d10be4bb ("mm/madvise: optimize lazyfreeing with mTHP in madvise_free")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202406260514.SLhNM9kQ-lkp@intel.com
Cc: Lance Yang <ioworker0@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | mm/huge_memory.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 18bcd7672a89..46ba81240d96 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2696,7 +2696,6 @@ static bool __discard_anon_folio_pmd_locked(struct vm_area_struct *vma, struct mm_struct *mm = vma->vm_mm; int ref_count, map_count; pmd_t orig_pmd = *pmdp; - struct page *page; if (folio_test_dirty(folio) || pmd_dirty(orig_pmd)) return false; @@ -2732,7 +2731,7 @@ static bool __discard_anon_folio_pmd_locked(struct vm_area_struct *vma, return false; } - folio_remove_rmap_pmd(folio, page, vma); + folio_remove_rmap_pmd(folio, pmd_page(orig_pmd), vma); zap_deposited_table(mm, pmdp); add_mm_counter(mm, MM_ANONPAGES, -HPAGE_PMD_NR); if (vma->vm_flags & VM_LOCKED) |