Re: [PATCH] mm: page_owner: fetch backtrace only for tracked pages

2021-04-07 Thread Sergei Trofimovich
On Wed, Apr 07, 2021 at 05:49:14PM +0200, Vlastimil Babka wrote: > On 4/1/21 11:24 PM, Sergei Trofimovich wrote: > > Very minor optimization. > > I'm not entirely sure about accuracy of "only for tracked pages". Missing > page_ext is something I'm not even sure how possible it is in practice, > p

Re: [PATCH] mm: page_owner: fetch backtrace only for tracked pages

2021-04-07 Thread Vlastimil Babka
On 4/1/21 11:24 PM, Sergei Trofimovich wrote: > Very minor optimization. I'm not entirely sure about accuracy of "only for tracked pages". Missing page_ext is something I'm not even sure how possible it is in practice, probably just an error condition (failed to be allocated?). Or did you observe