lkml.org 
[lkml]   [2021]   [Dec]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [RFC v2 4/6] crash hp: generic crash hotplug support infrastructure
From
> +#if defined(CONFIG_MEMORY_HOTPLUG)
> +static int crash_memhp_notifier(struct notifier_block *nb,
> + unsigned long val, void *v)
> +{
> + struct memory_notify *mhp = v;
> + unsigned long start, end;
> +
> + start = mhp->start_pfn << PAGE_SHIFT;
> + end = ((mhp->start_pfn + mhp->nr_pages) << PAGE_SHIFT) - 1;
> +
> + switch (val) {
> + case MEM_GOING_ONLINE:
> + crash_hotplug_handler(KEXEC_CRASH_HP_ADD_MEMORY,
> + start, end-start);
> + break;
> +
> + case MEM_OFFLINE:
> + case MEM_CANCEL_ONLINE:
> + crash_hotplug_handler(KEXEC_CRASH_HP_REMOVE_MEMORY,
> + start, end-start);

Any reason you don't handle this after the effects completely, meaning
MEM_ONLINE and MEM_OFFLINE?

--
Thanks,

David / dhildenb

\
 
 \ /
  Last update: 2021-12-08 14:38    [W:0.127 / U:0.408 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site