Re: [PATCH] mm: check high-order page when free it to pcp

[Mel Gorman]

On Mon, Sep 19, 2022 at 11:47:18AM +0800, zhaoyang.huang wrote:
> From: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx>
> 
> High-order pcp page escaped from checking when both of DEBUG_VM and debug_pagealloc
> are all disabled if it allocated again from pcp_list without going to global
> free list, which should be introduced by 44042b4498.
> 
> fix:44042b4498
> 
> Signed-off-by: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx>

Is this based on the comment mentioning order-0 pages above
free_pcp_prepare()? I ask because the comment is wrong and in both
instances should have s/order-0//

-- 
Mel Gorman
SUSE Labs