From: Andrew Morton <akpm@linux-foundation.org>
To: Quanmin Yan <yanquanmin1@huawei.com>
Cc: <sj@kernel.org>, <damon@lists.linux.dev>,
<linux-kernel@vger.kernel.org>, <linux-mm@kvack.org>,
<wangkefeng.wang@huawei.com>, <zuoze1@huawei.com>
Subject: Re: [PATCH] mm/damon: add a min_sz_region parameter to damon_set_region_biggest_system_ram_default()
Date: Thu, 16 Oct 2025 13:12:48 -0700 [thread overview]
Message-ID: <20251016131248.f74041dd236ca33808a07ba4@linux-foundation.org> (raw)
In-Reply-To: <20251016104717.2194909-1-yanquanmin1@huawei.com>
On Thu, 16 Oct 2025 18:47:17 +0800 Quanmin Yan <yanquanmin1@huawei.com> wrote:
> After adding addr_unit support for DAMON_LRU_SORT and DAMON_RECLAIM,
> the related region setup now requires alignment based on min_sz_region.
Why?
Presumably the current code causes some sort of user-visible
misbehavior. Please include a description of that misbehavior and of
how users might trigger it.
> Add min_sz_region to damon_set_region_biggest_system_ram_default()
> and use it when calling damon_set_regions(), replacing the previously
> hardcoded DAMON_MIN_REGION.
>
prev parent reply other threads:[~2025-10-16 20:12 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-16 10:47 Quanmin Yan
2025-10-16 19:48 ` SeongJae Park
2025-10-17 3:12 ` Quanmin Yan
2025-10-17 16:28 ` SeongJae Park
2025-10-16 20:12 ` Andrew Morton [this message]
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