Re: [PATCH v5 2/4] mm,hwpoison: take free pages off the buddy freelists

2020-11-25 Thread Vlastimil Babka
On 10/13/20 4:44 PM, Oscar Salvador wrote: The crux of the matter is that historically we left poisoned pages in the buddy system because we have some checks in place when allocating a page that are gatekeeper for poisoned pages. Unfortunately, we do have other users (e.g: compaction [1]) that

[PATCH v5 2/4] mm,hwpoison: take free pages off the buddy freelists

2020-10-13 Thread Oscar Salvador
The crux of the matter is that historically we left poisoned pages in the buddy system because we have some checks in place when allocating a page that are gatekeeper for poisoned pages. Unfortunately, we do have other users (e.g: compaction [1]) that scan buddy freelists and try to get a page