Re: [PATCH v2] mm, page_alloc: Fix has_unmovable_pages for HugePages

[Andrew Morton]

On Mon, 17 Dec 2018 23:51:13 +0100 Oscar Salvador <osalvador@xxxxxxx> wrote:

> v1 -> v2:
> 	- Fix the logic for skipping pages by Michal
> 
> ---

Please be careful with the "^---$".  It signifies end-of-changelog, so
I ended up without a changelog!

> >From e346b151037d3c37feb10a981a4d2a25018acf81 Mon Sep 17 00:00:00 2001
> From: Oscar Salvador <osalvador@xxxxxxx>
> Date: Mon, 17 Dec 2018 14:53:35 +0100
> Subject: [PATCH] mm, page_alloc: Fix has_unmovable_pages for HugePages
> 
> While playing with gigantic hugepages and memory_hotplug, I triggered
> the following #PF when "cat memoryX/removable":
> 
> ...
>
> Also, since gigantic pages span several pageblocks, re-adjust the logic
> for skipping pages.
> 
> Signed-off-by: Oscar Salvador <osalvador@xxxxxxx>

cc:stable?