On Sat, 7 May 2022 05:47:02 +0000 cgel.zte@xxxxxxxxx wrote: > To use KSM, we must explicitly call madvise() in application code, > which means installed apps on OS needs to be uninstall and source > code needs to be modified. It is inconvenient. > > In order to change this situation, We add a new proc 'ksm_force' > under /proc/<pid>/ to support turning on/off KSM scanning of a > process's mm dynamically. > > If ksm_force is set as 1, force all anonymous and 'qualified' vma > of this mm to be involved in KSM scanning without explicitly > calling madvise to make vma MADV_MERGEABLE. But It is effctive only > when the klob of '/sys/kernel/mm/ksm/run' is set as 1. > > If ksm_enale is set as 0, cancel the feature of ksm_force of this > process and unmerge those merged pages which is not madvised as > MERGEABLE of this process, but leave MERGEABLE areas merged. > There are quite a lot of typos here. Please proof-read it. > fs/proc/base.c | 99 ++++++++++++++++++++++++++++++++++++++++ > include/linux/mm_types.h | 9 ++++ > mm/ksm.c | 32 ++++++++++++- And please update the appropriate places under Documentation/ - all user-facing interfaces should be well documented.
