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Re: [PATCH v3 4/4] overcommit: introduce mem-lock=on-fault


From: Daniil Tatianin
Subject: Re: [PATCH v3 4/4] overcommit: introduce mem-lock=on-fault
Date: Thu, 9 Jan 2025 11:47:40 +0300
User-agent: Mozilla Thunderbird

On 12/12/24 7:20 PM, Peter Xu wrote:

On Thu, Dec 12, 2024 at 02:04:33AM +0300, Daniil Tatianin wrote:
Locking the memory without MCL_ONFAULT instantly prefaults any mmaped
anonymous memory with a write-fault, which introduces a lot of extra
overhead in terms of memory usage when all you want to do is to prevent
kcompactd from migrating and compacting QEMU pages. Add an option to
only lock pages lazily as they're faulted by the process by using
MCL_ONFAULT if asked.

Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
Reviewed-by: Peter Xu <peterx@redhat.com>

Hi there! This series has 2 reviewed-bys, is there any way you could queue it?

Thanks!




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