On 5/8/26 7:29 PM, Andrew Morton wrote: > e .configOn Fri, 8 May 2026 18:22:06 +0200 [email protected] wrote: > >> Add tracepoints to the page allocator fast paths that acquire >> zone->lock, allowing diagnosis of lock contention in production. > > Thanks, I'm surprised we haven't done this yet.
There was a recent attempt [1]. Not being a generic solution wasn't welcome. [1] https://lore.kernel.org/all/[email protected]/ > Unfortunately "mm: use spinlock guards for zone lock" messed this up > (https://lore.kernel.org/all/[email protected]/). > > So please let's give it a few days for reviewers to comment then redo > against mm.git's mm-unstable branch?
