[Crash-utility] Re: [PATCH] kmem: Show page migration types

Hi Aaron, Sorry it took a long time for me to process your patch. The new feature as print page migrate type is interesting, however to me, the feature is a nice-to-have one, not a critical or important fixes for crash. From my perspective, I'm keen to limit new features added into crash utility unless they are necessary or involve minimal code changes that are easy to maintain. As you may have noticed, we lost one upstream maintainer due to Redhat internal reorg, and we are currently short of bandwidth for handling upstream works. Given this context, I'd prefer not to accept your feature request, sorry...

Thanks, Tao Liu On Sat, Aug 15, 2026 at 1:55 AM Aaron Tomlin <atomlin(a)atomlin.com&gt; wrote: > > On Sun, Jul 26, 2026 at 10:34:57PM -0400, Aaron Tomlin wrote: >> Modify the "kmem" command to query and display the migration type of >> pages and page blocks: >> >> - Appending the migration type string (e.g., Unmovable, Movable, >> Reclaimable, HighAtomic, CMA, Isolate) to the output of page flags >> in kmem -p >> >> - Showing the migration type for each free area sublist in kmem -f >> and kmem -F when multiple lists are present per area >> >> To support this, offsets and sizes for mem_section_usage, >> mem_section_usage_pageblock_flags, and zone_pageblock_flags are >> retrieved and cached. The pageblock flags bitmap is then parsed to >> extract the migration type of each page block, matching the logic in the >> Linux kernel buddy allocator. > > Hi Tao, Hagio, > > Any further thoughts? Thank you. > > Kind regards, > -- > Aaron Tomlin > -- Crash-utility mailing list -- devel(a)lists.crash-utility.osci.io To unsubscribe send an email to devel-leave(a)lists.crash-utility.osci.io https://${domain_name}/admin/lists/devel.lists.crash-utility.osci.io/ Contribution Guidelines: https://github.com/crash-utility/crash/wiki