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Commit 19eaf44954df ("mm: thp: support allocation of anonymous multi-size
THP") added mTHP support for anonymous shmem. We can configure different
policies through the multi-size THP sysfs interface for anonymous shmem.
But when we configure the "advise" policy of
/sys/kernel/mm/transparent_hugepage/hugepages-xxxkB/shmem_enabled, we
cannot write the "advise", but write the "madvise", which is unreasonable.
We should keep the output and input values consistent, which is more
convenient for users.
Link: https://lkml.kernel.org/r/20240628032327.16987-1-libang.li@antgroup.com
Fixes: 61a57f1b1da9 ("mm: shmem: add multi-size THP sysfs interface for anonymous shmem")
Signed-off-by: Bang Li <libang.li@antgroup.com>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Bang Li <libang.li@antgroup.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
843a2e24c2