Messages in this thread | | | Date | Tue, 24 Mar 2020 12:17:11 -0700 (PDT) | From | David Rientjes <> | Subject | Re: [PATCH] mm, memcg: Add memory.transparent_hugepage_disabled |
| |
On Tue, 24 Mar 2020, Kirill A. Shutemov wrote:
> On Tue, Mar 24, 2020 at 06:31:56PM +0800, Hui Zhu wrote: > > /sys/kernel/mm/transparent_hugepage/enabled is the only interface to > > control if the application can use THP in system level. > > No. We have prctl(PR_SET_THP_DISABLE) too. >
Yeah, I think this is the key point since this can be inherited across fork and thus you already have the ability to disable thp for a process where you cannot even modify the binary to do MADV_NOHUGEPAGE.
| |