On Thu 30-01-20 13:24:38, Gavin Shan wrote:
> The inappropriate settings can be accepted by "enabled" and "defrag"
> interface, as the following example shows. This series reworks the
> related functions and fixes the issue by the way.
Do we really care? This is a root only interface and we do expect root
to know how to use the interface.
> # cat /sys/kernel/mm/transparent_hugepage/enabled
> always [madvise] never
> # echo neveroff > /sys/kernel/mm/transparent_hugepage/enabled
> # cat /sys/kernel/mm/transparent_hugepage/enabled
> always madvise [never]
>
> Gavin Shan (3):
> mm: Rework {enabled,defrag}_store()
> mm: Rework {enabled,defrag}_show()
> mm: Rework setup_transparent_hugepage()
>
> mm/huge_memory.c | 216 +++++++++++++++++++++++++++--------------------
> 1 file changed, 125 insertions(+), 91 deletions(-)
>
> --
> 2.23.0
>
--
Michal Hocko
SUSE Labs
