+ maple_tree-document-erase-and-allocations-better-fix.patch added to mm-unstable branch

The patch titled
     Subject: maple_tree-document-erase-and-allocations-better-fix
has been added to the -mm mm-unstable branch.  Its filename is
     maple_tree-document-erase-and-allocations-better-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/maple_tree-document-erase-and-allocations-better-fix.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Andrew Morton <[email protected]>
Subject: maple_tree-document-erase-and-allocations-better-fix
Date: Fri Aug 21 03:27:57 PM PDT 2026

tweak mtree_erase() description, per Jason

Cc: Jason Gunthorpe <[email protected]>
Cc: "Liam R. Howlett (Oracle)" <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Boqun Feng <[email protected]>
Cc: Breno Leitao <[email protected]>
Cc: Chris Mason <[email protected]>
Cc: Chuck Lever <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Joe Perches <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Waiman Long <[email protected]>
Cc: Will Deacon <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---

 Documentation/core-api/maple_tree.rst |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/Documentation/core-api/maple_tree.rst~maple_tree-document-erase-and-allocations-better-fix
+++ a/Documentation/core-api/maple_tree.rst
@@ -75,7 +75,8 @@ given index.  You can use mtree_erase()
 knowing one value within that range, or mtree_store() call with an entry of
 NULL may be used to partially erase a range or many ranges at once.  Note that
 mtree_erase() may use GFP_KERNEL | __GFP_NOFAIL for allocations and cannot
-fail, but may need to sleep - do not use mtree_erase() from a blocking context.
+fail.  mtree_erase() can sleep, so it must not be called from an atomic
+context.
 
 If you want to only store a new entry to a range (or index) if that range is
 currently ``NULL``, you can use mtree_insert_range() or mtree_insert() which
_

Patches currently in -mm which might be from [email protected] are

mm-provide-vma_is_cow_mapping-and-remove-is_cow_mapping-fix.patch
selftests-cgroup-test_zswap-skip-test_no_kmem_bypass-if-debugfs-is-unavailable-fix.patch
mm-hmmc-hmm_do_fault-suppress-sparse-warning.patch
mm-hmmc-hmm_do_fault-suppress-sparse-warning-fix.patch
maple_tree-document-erase-and-allocations-better-fix.patch
drivers-media-v4l2-core-v4l2-vp9c-reduce-inlining.patch