Re: [PATCH 4/4] mm/memory_hotplug: fix misplaced comment in offline_pages

From: Oscar Salvador
Date: Tue Feb 08 2022 - 06:26:54 EST


On Mon, Feb 07, 2022 at 09:36:43PM +0800, Miaohe Lin wrote:
> It's misplaced since commit 7960509329c2 ("mm, memory_hotplug: print reason
> for the offlining failure"). Move it to the right place.
>
> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>

Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>

> ---
> mm/memory_hotplug.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
> index 4b9eef861ee4..7dc7e12302db 100644
> --- a/mm/memory_hotplug.c
> +++ b/mm/memory_hotplug.c
> @@ -1966,6 +1966,7 @@ int __ref offline_pages(unsigned long start_pfn, unsigned long nr_pages,
> return 0;
>
> failed_removal_isolated:
> + /* pushback to free area */
> undo_isolate_page_range(start_pfn, end_pfn, MIGRATE_MOVABLE);
> memory_notify(MEM_CANCEL_OFFLINE, &arg);
> failed_removal_pcplists_disabled:
> @@ -1976,7 +1977,6 @@ int __ref offline_pages(unsigned long start_pfn, unsigned long nr_pages,
> (unsigned long long) start_pfn << PAGE_SHIFT,
> ((unsigned long long) end_pfn << PAGE_SHIFT) - 1,
> reason);
> - /* pushback to free area */
> mem_hotplug_done();
> return ret;
> }
> --
> 2.23.0
>
>

--
Oscar Salvador
SUSE Labs