The patch titled
Subject: hugetlb: force allocating surplus hugepages on mempolicy allowed nodes
has been added to the -mm mm-unstable branch. Its filename is
hugetlb-force-allocating-surplus-hugepages-on-mempolicy-allowed-nodes-v2.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/hugetlb-force-allocating-surplus-hugepages-on-mempolicy-allowed-nodes-v2.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: Aristeu Rozanski <aris@xxxxxxxxx>
Subject: hugetlb: force allocating surplus hugepages on mempolicy allowed nodes
Date: Mon, 1 Jul 2024 17:23:43 -0400
v2: - attempt to make the description more clear
- prevent unitialized usage of folio in case current process isn't part of any
nodes with memory
Link: https://lkml.kernel.org/r/20240701212343.GG844599@xxxxxxxxxxxxxxxxx
Signed-off-by: Aristeu Rozanski <aris@xxxxxxxxx>
Cc: Vishal Moola <vishal.moola@xxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Aristeu Rozanski <aris@xxxxxxxxxx>
Cc: Muchun Song <muchun.song@xxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/hugetlb.c | 1 +
1 file changed, 1 insertion(+)
--- a/mm/hugetlb.c~hugetlb-force-allocating-surplus-hugepages-on-mempolicy-allowed-nodes-v2
+++ a/mm/hugetlb.c
@@ -2631,6 +2631,7 @@ static int gather_surplus_pages(struct h
retry:
spin_unlock_irq(&hugetlb_lock);
for (i = 0; i < needed; i++) {
+ folio = NULL;
for_each_node_mask(node, cpuset_current_mems_allowed) {
if (!mbind_nodemask || node_isset(node, *mbind_nodemask)) {
folio = alloc_surplus_hugetlb_folio(h, htlb_alloc_mask(h),
_
Patches currently in -mm which might be from aris@xxxxxxxxx are
hugetlb-force-allocating-surplus-hugepages-on-mempolicy-allowed-nodes-v2.patch
