On Mon, Sep 05, 2022 at 11:28:58AM +0800, Wupeng Ma wrote: > diff --git a/kernel/sysctl.c b/kernel/sysctl.c > index 205d605cacc5..d16d06c71e5a 100644 > --- a/kernel/sysctl.c > +++ b/kernel/sysctl.c > @@ -2251,8 +2251,6 @@ static struct ctl_table vm_table[] = { > .maxlen = sizeof(watermark_scale_factor), > .mode = 0644, > .proc_handler = watermark_scale_factor_sysctl_handler, > - .extra1 = SYSCTL_ONE, > - .extra2 = SYSCTL_THREE_THOUSAND, > }, > { > .procname = "percpu_pagelist_high_fraction", Please move the sysctl from kernel/sysctl.c to mm/page_alloc.c while at it, you can git log the kernel/sysctl.c for prior moves and for the motivations. No need to keep expanding on the existing table. Luis