[merged mm-stable] mm-page_alloc-remove-a-couple-of-vm_bug_onst.patch removed from -mm tree

[merged mm-stable] mm-page_alloc-remove-a-couple-of-vm_bug_onst.patch removed from -mm tree

[Andrew Morton]

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The quilt patch titled
     Subject: mm/page_alloc: remove a couple of VM_BUG_ON()st
has been removed from the -mm tree.  Its filename was
     mm-page_alloc-remove-a-couple-of-vm_bug_onst.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Brendan Jackman <jackmanb@google.com>
Subject: mm/page_alloc: remove a couple of VM_BUG_ON()st
Date: Wed, 15 Jul 2026 11:03:21 +0000

VM_BUG_ON() is out of favour and on the way to removal, since I recently
touched alloc_pages_node_noprof() I am removing that invocation, and also
removing the __folio_alloc_node_noprof() one for consistency.  If this
precondition is violated, the system will soon crash anyway.

Link: https://lore.kernel.org/20260715-spin-trylock-followup-v3-4-fc4d246f705d@google.com
Signed-off-by: Brendan Jackman <jackmanb@google.com>
Suggested-by: Zi Yan <ziy@nvidia.com>
Link: https://lore.kernel.org/all/7F866265-3F2E-4765-B9D4-9AB898A9C4AC@nvidia.com/
Acked-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: Vlastimil Babka (SUSE) <vbabka@kernel.org>
Cc: Brendan Jackman <brendan.jackman@linux.dev>
Cc: David Hildenbrand <david@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Michal Koutný <mkoutny@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Waiman Long <longman@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/gfp.h |    1 -
 mm/page_alloc.c     |    1 -
 2 files changed, 2 deletions(-)

--- a/include/linux/gfp.h~mm-page_alloc-remove-a-couple-of-vm_bug_onst
+++ a/include/linux/gfp.h
@@ -255,7 +255,6 @@ static inline void warn_if_node_offline(
 static inline
 struct folio *__folio_alloc_node_noprof(gfp_t gfp, unsigned int order, int nid)
 {
-	VM_BUG_ON(nid < 0 || nid >= MAX_NUMNODES);
 	warn_if_node_offline(nid, gfp);
 
 	return __folio_alloc_noprof(gfp, order, nid, NULL);
--- a/mm/page_alloc.c~mm-page_alloc-remove-a-couple-of-vm_bug_onst
+++ a/mm/page_alloc.c
@@ -5426,7 +5426,6 @@ struct page *alloc_pages_node_noprof(int
 	if (nid == NUMA_NO_NODE)
 		nid = numa_mem_id();
 
-	VM_BUG_ON(nid < 0 || nid >= MAX_NUMNODES);
 	warn_if_node_offline(nid, gfp_mask);
 
 	return __alloc_pages_noprof(gfp_mask, order, nid, NULL, ALLOC_DEFAULT);
_

Patches currently in -mm which might be from jackmanb@google.com are