From: SJ Park <sj@kernel.org>
To: Suhaas Joshi <suhaas@s-joshi.in>
Cc: SJ Park <sj@kernel.org>,
akpm@linux-foundation.org, damon@lists.linux.dev,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 2/2] mm/damon/core: Copy only installed probe in damon_split_region_at()
Date: Thu, 15 Oct 2026 07:25:51 -0700 [thread overview]
Message-ID: <20261015142552.104856-1-sj@kernel.org> (raw)
In-Reply-To: <20261015135801.19326-2-suhaas@s-joshi.in>
On Thu, 15 Oct 2026 19:27:54 +0530 Suhaas Joshi <suhaas@s-joshi.in> wrote:
> In damon_split_region_at(), we copy the entire probe_hits[] and
> last_probe_hits[] arrays of DAMON_MAX_PROBES size. However it is possible
> that the number of probes installed is less than DAMON_MAX_PROBES, in which
> case one or more iterations is/are redundant. To remedy this, iterate over
> only as many times as the number of installed probes. To do so, accept a
> struct damon_ctx pointer in damon_split_region_at(), and update all
> invocations of the function to pass the new argument.
>
> Also update damon_test_split_at() and damos_test_filter_out() in
> core-kunit.h to supply a context to function paths that call
> damon_split_region_at().
Looks good to me. Thank you for this patch.
>
> Signed-off-by: Suhaas Joshi <suhaas@s-joshi.in>
Reviewed-by: SJ Park <sj@kernel.org>
Thanks,
SJ
[...]
next prev parent reply other threads:[~2026-10-15 14:25 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-15 13:55 [PATCH v4 0/2] mm/damon/core: Iterate over installed probes instead of DAMON_MAX_PROBES Suhaas Joshi
2026-10-15 13:57 ` [PATCH v4 1/2] mm/damon/core: Use only installed probe in damon_merge_two_regions() Suhaas Joshi
2026-10-15 14:07 ` sashiko-bot
2026-10-15 14:21 ` SJ Park
2026-10-15 13:57 ` [PATCH v4 2/2] mm/damon/core: Copy only installed probe in damon_split_region_at() Suhaas Joshi
2026-10-15 14:12 ` sashiko-bot
2026-10-15 14:25 ` SJ Park [this message]
2026-10-15 14:29 ` [PATCH v4 0/2] mm/damon/core: Iterate over installed probes instead of DAMON_MAX_PROBES SJ Park
2026-10-15 15:15 ` Suhaas Joshi
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