From: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
To: Konstantin Khorenko <khorenko@virtuozzo.com>
Cc: devel@openvz.org
Subject: Re: [Devel] [PATCH hci-8.1 0/2] mm/memcontrol: numa_migrate destinations of the source folio order
Date: Wed, 28 Oct 2026 13:49:27 +0100 [thread overview]
Message-ID: <179319176711.3675392.16369148007509134650.b4-review@b4> (raw)
In-Reply-To: <20261028-b4-prep-khorenko-vstor-151607-numa-migrate-order-v1-0-268336526677@virtuozzo.com>
On Wed, 28 Oct 2026 13:22:16 +0100, Konstantin Khorenko <khorenko@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@virtuozzo.com>
--
Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
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next prev parent reply other threads:[~2026-10-28 12:50 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-28 12:22 Konstantin Khorenko
2026-10-28 12:22 ` [Devel] [PATCH hci-8.1 1/2] mm/memcontrol: allocate numa_migrate targets " Konstantin Khorenko
2026-10-28 12:26 ` no-reply
2026-10-28 13:09 ` Vasileios Almpanis
2026-10-28 14:14 ` Konstantin Khorenko
2026-10-28 12:22 ` [Devel] [PATCH hci-8.1 2/2] selftests/ve: check memory.numa_migrate keeps the " Konstantin Khorenko
2026-10-28 12:28 ` no-reply
2026-10-28 12:49 ` Pavel Tikhomirov
2026-10-28 14:08 ` Konstantin Khorenko
2026-10-28 13:09 ` Vasileios Almpanis
2026-10-28 14:12 ` Konstantin Khorenko
2026-10-28 12:49 ` Pavel Tikhomirov [this message]
2026-10-28 13:09 ` [Devel] [PATCH hci-8.1 0/2] mm/memcontrol: numa_migrate destinations of the source " Vasileios Almpanis
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