The quilt patch titled Subject: mm/memory_hotplug: fix error return code in add_memory_resource() has been removed from the -mm tree. Its filename was mm-memory_hotplug-embed-vmem_altmap-details-in-memory-block-fix.patch This patch was dropped because it was folded into mm-memory_hotplug-embed-vmem_altmap-details-in-memory-block.patch ------------------------------------------------------ From: Yang Yingliang <yangyingliang@xxxxxxxxxx> Subject: mm/memory_hotplug: fix error return code in add_memory_resource() Date: Wed, 9 Aug 2023 16:15:52 +0800 Set error return code to -ENOMEM, when kmalloc() fails. Link: https://lkml.kernel.org/r/20230809081552.1351184-1-yangyingliang@xxxxxxxxxx Fixes: ad3232df3e41 ("mm/memory_hotplug: embed vmem_altmap details in memory block") Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx> Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx> Cc: David Hildenbrand <david@xxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxx> Cc: Oscar Salvador <osalvador@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/memory_hotplug.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/mm/memory_hotplug.c~mm-memory_hotplug-embed-vmem_altmap-details-in-memory-block-fix +++ a/mm/memory_hotplug.c @@ -1440,8 +1440,10 @@ int __ref add_memory_resource(int nid, s if (mhp_supports_memmap_on_memory(size)) { mhp_altmap.free = memory_block_memmap_on_memory_pages(); params.altmap = kmalloc(sizeof(struct vmem_altmap), GFP_KERNEL); - if (!params.altmap) + if (!params.altmap) { + ret = -ENOMEM; goto error; + } memcpy(params.altmap, &mhp_altmap, sizeof(mhp_altmap)); } _ Patches currently in -mm which might be from yangyingliang@xxxxxxxxxx are mm-memory_hotplug-embed-vmem_altmap-details-in-memory-block.patch