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authorDavid Hildenbrand <david@redhat.com>2022-03-22 22:47:09 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-22 23:57:10 +0100
commit7ea0d2d79da09d1f7d71c96a9c9bc1b5229360b5 (patch)
treeab93ada0412ecf7e4f35416fccfc7df0d6b9d942 /arch/sh
parentmemcg: do not tweak node in alloc_mem_cgroup_per_node_info (diff)
downloadlinux-7ea0d2d79da09d1f7d71c96a9c9bc1b5229360b5.tar.xz
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drivers/base/memory: add memory block to memory group after registration succeeded
If register_memory() fails, we freed the memory block but already added the memory block to the group list, not good. Let's defer adding the block to the memory group to after registering the memory block device. We do handle it properly during unregister_memory(), but that's not called when the registration fails. Link: https://lkml.kernel.org/r/20220128144540.153902-1-david@redhat.com Fixes: 028fc57a1c36 ("drivers/base/memory: introduce "memory groups" to logically group memory blocks") Signed-off-by: David Hildenbrand <david@redhat.com> Reviewed-by: Oscar Salvador <osalvador@suse.de> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/sh')
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