diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-02-24 16:20:38 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-02-24 16:20:38 -0800 |
| commit | 4c48faba5b7f18fb53e4aeeb768932f17c9da1ed (patch) | |
| tree | 9d9d2ca881a670b5df55a663ee506f212c9514c3 /mm/pgtable-generic.c | |
| parent | 062c84fccc4444805738d76a2699c4d3c95184ec (diff) | |
| parent | a553e3cd2053501b658feec2be9a3b662eb1b22b (diff) | |
| download | linux-4c48faba5b7f18fb53e4aeeb768932f17c9da1ed.tar.bz2 | |
Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton:
"A few small subsystems and some of MM.
172 patches.
Subsystems affected by this patch series: hexagon, scripts, ntfs,
ocfs2, vfs, and mm (slab-generic, slab, slub, debug, pagecache, swap,
memcg, pagemap, mprotect, mremap, page-reporting, vmalloc, kasan,
pagealloc, memory-failure, hugetlb, vmscan, z3fold, compaction,
mempolicy, oom-kill, hugetlbfs, and migration)"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (172 commits)
mm/migrate: remove unneeded semicolons
hugetlbfs: remove unneeded return value of hugetlb_vmtruncate()
hugetlbfs: fix some comment typos
hugetlbfs: correct some obsolete comments about inode i_mutex
hugetlbfs: make hugepage size conversion more readable
hugetlbfs: remove meaningless variable avoid_reserve
hugetlbfs: correct obsolete function name in hugetlbfs_read_iter()
hugetlbfs: use helper macro default_hstate in init_hugetlbfs_fs
hugetlbfs: remove useless BUG_ON(!inode) in hugetlbfs_setattr()
hugetlbfs: remove special hugetlbfs_set_page_dirty()
mm/hugetlb: change hugetlb_reserve_pages() to type bool
mm, oom: fix a comment in dump_task()
mm/mempolicy: use helper range_in_vma() in queue_pages_test_walk()
numa balancing: migrate on fault among multiple bound nodes
mm, compaction: make fast_isolate_freepages() stay within zone
mm/compaction: fix misbehaviors of fast_find_migrateblock()
mm/compaction: correct deferral logic for proactive compaction
mm/compaction: remove duplicated VM_BUG_ON_PAGE !PageLocked
mm/compaction: remove rcu_read_lock during page compaction
z3fold: simplify the zhdr initialization code in init_z3fold_page()
...
Diffstat (limited to 'mm/pgtable-generic.c')
| -rw-r--r-- | mm/pgtable-generic.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c index 9578db83e312..c2210e1cdb51 100644 --- a/mm/pgtable-generic.c +++ b/mm/pgtable-generic.c @@ -135,8 +135,9 @@ pmd_t pmdp_huge_clear_flush(struct vm_area_struct *vma, unsigned long address, { pmd_t pmd; VM_BUG_ON(address & ~HPAGE_PMD_MASK); - VM_BUG_ON((pmd_present(*pmdp) && !pmd_trans_huge(*pmdp) && - !pmd_devmap(*pmdp)) || !pmd_present(*pmdp)); + VM_BUG_ON(!pmd_present(*pmdp)); + /* Below assumes pmd_present() is true */ + VM_BUG_ON(!pmd_trans_huge(*pmdp) && !pmd_devmap(*pmdp)); pmd = pmdp_huge_get_and_clear(vma->vm_mm, address, pmdp); flush_pmd_tlb_range(vma, address, address + HPAGE_PMD_SIZE); return pmd; |