[Devel] [PATCH hci-8.1 0/2] mm/memcontrol: numa_migrate destinations of the source folio order

[Pavel Tikhomirov]

On Wed, 28 Oct 2026 13:22:16 +0100, Konstantin Khorenko <khorenko at virtuozzo.com> wrote:
> mm/memcontrol: numa_migrate destinations of the source folio order
> 
> memory.numa_migrate, our memcg file that vcmmd uses to move a cgroup's
> memory between NUMA nodes, allocates a 2 MB destination for every large
> folio it migrates. Page cache folios of a smaller order get a
> destination of the wrong size, and the page cache falls apart around
> it. Patch 1 is the fix, patch 2 a selftest that catches it without
> crashing the node.
> 
> [...]

Reviewed-by: Pavel Tikhomirov <ptikhomirov at virtuozzo.com>

-- 
Pavel Tikhomirov <ptikhomirov at virtuozzo.com>