[merged mm-stable] mm-memory_hotplug-dont-use-__gfp_hardwall-when-migrating-pages-via-memory-offlining.patch removed from -mm tree

[merged mm-stable] mm-memory_hotplug-dont-use-__gfp_hardwall-when-migrating-pages-via-memory-offlining.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm/memory_hotplug: don't use __GFP_HARDWALL when migrating pages via memory offlining
has been removed from the -mm tree.  Its filename was
     mm-memory_hotplug-dont-use-__gfp_hardwall-when-migrating-pages-via-memory-offlining.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: David Hildenbrand <david@redhat.com>
Subject: mm/memory_hotplug: don't use __GFP_HARDWALL when migrating pages via memory offlining
Date: Thu, 5 Dec 2024 10:05:08 +0100

We'll migrate pages allocated by other context; respecting the cpuset of
the memory offlining context when allocating a migration target does not
make sense.

Drop the __GFP_HARDWALL by using GFP_KERNEL.

Note that in an ideal world, migration code could figure out the cpuset
of the original context and take that into consideration.

Link: https://lkml.kernel.org/r/20241205090508.2095225-3-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Suggested-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Oscar Salvador <osalvador@suse.de>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/memory_hotplug.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/memory_hotplug.c~mm-memory_hotplug-dont-use-__gfp_hardwall-when-migrating-pages-via-memory-offlining
+++ a/mm/memory_hotplug.c
@@ -1838,7 +1838,7 @@ put_folio:
 		nodemask_t nmask = node_states[N_MEMORY];
 		struct migration_target_control mtc = {
 			.nmask = &nmask,
-			.gfp_mask = GFP_USER | __GFP_MOVABLE | __GFP_RETRY_MAYFAIL,
+			.gfp_mask = GFP_KERNEL | __GFP_MOVABLE | __GFP_RETRY_MAYFAIL,
 			.reason = MR_MEMORY_HOTPLUG,
 		};
 		int ret;
_

Patches currently in -mm which might be from david@redhat.com are

mm-huge_memory-convert-has_hwpoisoned-into-a-pure-folio-flag.patch
mm-hugetlb-rename-isolate_hugetlb-to-folio_isolate_hugetlb.patch
mm-migrate-dont-call-folio_putback_active_hugetlb-on-dst-hugetlb-folio.patch
mm-hugetlb-rename-folio_putback_active_hugetlb-to-folio_putback_hugetlb.patch
mm-hugetlb-cgroup-convert-hugetlb_cgroup_css_offline-to-work-on-folios.patch
mm-hugetlb-use-folio-lru-int-demote_free_hugetlb_folios.patch