From: David Hildenbrand <david@redhat.com>
To: Johannes Weiner <hannes@cmpxchg.org>,
Qi Zheng <zhengqi.arch@bytedance.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: CONFIG_PT_RECLAIM
Date: Thu, 27 Feb 2025 10:54:15 +0100 [thread overview]
Message-ID: <15fe7b83-0a3c-47e1-9b32-7db7b6a25c19@redhat.com> (raw)
In-Reply-To: <20250226183013.GB1042@cmpxchg.org>
On 26.02.25 19:30, Johannes Weiner wrote:
> Does PT_RECLAIM need to be configurable by the user?
>
> Why not always try to free the page tables if the arch supports it?
I recall that the reasoning was that it might negatively affect some
workloads so we'd be a bit careful first.
I'd be happy if we'd just unconditionally enable it.
--
Cheers,
David / dhildenb
prev parent reply other threads:[~2025-02-27 9:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-26 18:30 CONFIG_PT_RECLAIM Johannes Weiner
2025-02-27 3:04 ` CONFIG_PT_RECLAIM Qi Zheng
2025-02-27 6:08 ` CONFIG_PT_RECLAIM Johannes Weiner
2025-02-27 6:58 ` CONFIG_PT_RECLAIM Qi Zheng
2025-02-27 7:40 ` CONFIG_PT_RECLAIM Qi Zheng
2025-02-27 9:54 ` David Hildenbrand [this message]
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