Merge tag 'mm-hotfixes-stable-2024-11-09-22-40' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "20 hotfixes, 14 of which are cc:stable.

  Three affect DAMON. Lorenzo's five-patch series to address the
  mmap_region error handling is here also.

  Apart from that, various singletons"

* tag 'mm-hotfixes-stable-2024-11-09-22-40' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  mailmap: add entry for Thorsten Blum
  ocfs2: remove entry once instead of null-ptr-dereference in ocfs2_xa_remove()
  signal: restore the override_rlimit logic
  fs/proc: fix compile warning about variable 'vmcore_mmap_ops'
  ucounts: fix counter leak in inc_rlimit_get_ucounts()
  selftests: hugetlb_dio: check for initial conditions to skip in the start
  mm: fix docs for the kernel parameter ``thp_anon=``
  mm/damon/core: avoid overflow in damon_feed_loop_next_input()
  mm/damon/core: handle zero schemes apply interval
  mm/damon/core: handle zero {aggregation,ops_update} intervals
  mm/mlock: set the correct prev on failure
  objpool: fix to make percpu slot allocation more robust
  mm/page_alloc: keep track of free highatomic
  mm: resolve faulty mmap_region() error path behaviour
  mm: refactor arch_calc_vm_flag_bits() and arm64 MTE handling
  mm: refactor map_deny_write_exec()
  mm: unconditionally close VMAs on error
  mm: avoid unsafe VMA hook invocation when error arises on mmap hook
  mm/thp: fix deferred split unqueue naming and locking
  mm/thp: fix deferred split queue not partially_mapped

1 files changed, 5 insertions, 9 deletions

diff --git a/mm/vma.c b/mm/vma.c
index b21ffec33f8e0..7621384d64cf5 100644
--- a/mm/vma.c
+++ b/mm/vma.c
@@ -323,11 +323,10 @@ static bool can_vma_merge_right(struct vma_merge_struct *vmg,
 /*
  * Close a vm structure and free it.
  */
-void remove_vma(struct vm_area_struct *vma, bool unreachable, bool closed)
+void remove_vma(struct vm_area_struct *vma, bool unreachable)
 {
 	might_sleep();
-	if (!closed && vma->vm_ops && vma->vm_ops->close)
-		vma->vm_ops->close(vma);
+	vma_close(vma);
 	if (vma->vm_file)
 		fput(vma->vm_file);
 	mpol_put(vma_policy(vma));
@@ -1115,9 +1114,7 @@ void vms_clean_up_area(struct vma_munmap_struct *vms,
 	vms_clear_ptes(vms, mas_detach, true);
 	mas_set(mas_detach, 0);
 	mas_for_each(mas_detach, vma, ULONG_MAX)
-		if (vma->vm_ops && vma->vm_ops->close)
-			vma->vm_ops->close(vma);
-	vms->closed_vm_ops = true;
+		vma_close(vma);
 }
 
 /*
@@ -1160,7 +1157,7 @@ void vms_complete_munmap_vmas(struct vma_munmap_struct *vms,
 	/* Remove and clean up vmas */
 	mas_set(mas_detach, 0);
 	mas_for_each(mas_detach, vma, ULONG_MAX)
-		remove_vma(vma, /* = */ false, vms->closed_vm_ops);
+		remove_vma(vma, /* unreachable = */ false);
 
 	vm_unacct_memory(vms->nr_accounted);
 	validate_mm(mm);
@@ -1684,8 +1681,7 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap,
 	return new_vma;
 
 out_vma_link:
-	if (new_vma->vm_ops && new_vma->vm_ops->close)
-		new_vma->vm_ops->close(new_vma);
+	vma_close(new_vma);
 
 	if (new_vma->vm_file)
 		fput(new_vma->vm_file);