linux-kernel - Re: [PATCH v2 11/11] mm/damon: add damon_ctx->min_sz

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Message-Id: <20250822171932.53804-1-sj@kernel.org>
Date: Fri, 22 Aug 2025 10:19:32 -0700
From: SeongJae Park <sj@...nel.org>
To: Quanmin Yan <yanquanmin1@...wei.com>
Cc: SeongJae Park <sj@...nel.org>,
	akpm@...ux-foundation.org,
	damon@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	wangkefeng.wang@...wei.com,
	zuoze1@...wei.com
Subject: Re: [PATCH v2 11/11] mm/damon: add damon_ctx->min_sz_region

On Fri, 22 Aug 2025 17:34:19 +0800 Quanmin Yan <yanquanmin1@...wei.com> wrote:

> Adopting addr_unit would make DAMON_MINREGION 'addr_unit * 4096'
> bytes and cause data alignment issues[1].
> 
> Add damon_ctx->min_sz_region to change DAMON_MIN_REGION from a global
> macro value to per-context variable.
> 
> [1] https://lore.kernel.org/all/527714dd-0e33-43ab-bbbd-d89670ba79e7@huawei.com
> 
> Signed-off-by: Quanmin Yan <yanquanmin1@...wei.com>

Reviewed-by: SeongJae Park <sj@...nel.org>


Thanks,
SJ

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