Re: [PATCH v1 2/6] mm/page_isolation: don't dump_page(NULL) in set_migratetype_isolate()

2020-07-29 Thread David Hildenbrand
> Am 29.07.2020 um 20:36 schrieb Mike Kravetz : > > ´╗┐On 7/29/20 11:08 AM, David Hildenbrand wrote: >> I have no clue what you mean with "reintroducing this abandoning of >> pageblocks". All this patch is changing is not doing the dump_page() - >> or am I missing something important? > > My

Re: [PATCH v1 2/6] mm/page_isolation: don't dump_page(NULL) in set_migratetype_isolate()

2020-07-29 Thread David Hildenbrand
On 29.07.20 19:31, Mike Kravetz wrote: > On 6/30/20 7:26 AM, David Hildenbrand wrote: >> Right now, if we have two isolations racing, we might trigger the >> WARN_ON_ONCE() and to dump_page(NULL), dereferencing NULL. Let's just >> return directly. > > Just curious, what call path has the