Messages in this thread | | | Date | Wed, 26 May 2021 12:43:15 +0200 | From | Oscar Salvador <> | Subject | Re: [PATCH v3] mm/page_alloc: fix counting of free pages after take off from buddy |
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On Wed, May 26, 2021 at 09:58:15AM +0200, David Hildenbrand wrote: > I guess if we'd actually be removing a page from the buddy while it's > currently isolated by someone else (i.e., alloc_contig_range()), we might be > in bigger trouble. > > I think we should actually skip isolated pages completely. > take_page_off_buddy() should not touch them.
That might be a problem indeed. I will have a look at it.
Thanks
-- Oscar Salvador SUSE L3
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