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Thu, 20 Feb 2025 19:46:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740080815; bh=unBPrgpwY4dqZxI9ZkGpabB3hwhCwXKpoAI9O5yqzHE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WewL63sw7nGHhNQcUnh0tz/dMaSYlbcPYe2RWUmVq+aytbTyEYmpJ6J5w3nOlu4tT GQ0ICGSmH408g7E32RUlQYub0hg/zDhjc44kR5LL+Sihris56f7X8MBijvaafdP99d TMsc1p8NcfjBl03dknhjDjkCUwNad8S1Zfg8OvSILPUwhYP6FJALgfdL1TYM4dAEzZ LuHi9slL+2/w7NKWzx0yIab130ftf+AcoJbYKdA89jVOGAfSlhjXCnjZHfBMgqaCiw b3Yw/gjvY+BOK2TxjFUCLDpJiUBvseEL/1Fc2ygXSCfhw4OXJQmjFSM04kbBTn3Il+ EPzMBOXW9UHAw== From: SeongJae Park To: Cc: SeongJae Park , Andrew Morton , damon@lists.linux.dev, kernel-team@meta.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 4/8] mm/damon/core: expose damos_filter_for_ops() to DAMON kernel API callers Date: Thu, 20 Feb 2025 11:46:42 -0800 Message-Id: <20250220194646.37726-5-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250220194646.37726-1-sj@kernel.org> References: <20250220194646.37726-1-sj@kernel.org> MIME-Version: 1.0 X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: C2E451C0011 X-Stat-Signature: fd41m4o7h1d4bbdm65rj4mztuw3yhkte X-HE-Tag: 1740080815-674181 X-HE-Meta: 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 DRZiW24n 55cvX7t8C327rf+eFw76ns5AXDEFakF4szcLb4BHDKQigbLJHMj9YHYRhON8NEYI7rytlKNY3so9Uqa3PgMuyi0Y8NPuastTg824RB2RvRowBeNYr4b0TFQfdyaw2w4sXuataL26d+NP7w0GVUY02usFZixoGhOZYT4BCuF3lthGDiSQI9vaq/hCY1oUS2+UQn1In3Y8N72nb/3DYbu8+63vQxVT5wqbASqyRMwL5KA708jNqch3OEJCpDRXqz/YS6U9mxio1eQ1Y/1mJV3wJUWIFpQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: damos_filter_for_ops() can be useful to avoid putting wrong type of filters in wrong place. Make it be exposed to DAMON kernel API callers. Signed-off-by: SeongJae Park --- include/linux/damon.h | 1 + mm/damon/core.c | 9 ++++++++- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/include/linux/damon.h b/include/linux/damon.h index 1d8479f57f85..085f26a2e702 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -846,6 +846,7 @@ void damon_update_region_access_rate(struct damon_region *r, bool accessed, struct damos_filter *damos_new_filter(enum damos_filter_type type, bool matching, bool allow); void damos_add_filter(struct damos *s, struct damos_filter *f); +bool damos_filter_for_ops(enum damos_filter_type type); void damos_destroy_filter(struct damos_filter *f); struct damos_quota_goal *damos_new_quota_goal( diff --git a/mm/damon/core.c b/mm/damon/core.c index 9744ab9ca5c5..273c91e6df86 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -281,7 +281,14 @@ struct damos_filter *damos_new_filter(enum damos_filter_type type, return filter; } -static bool damos_filter_for_ops(enum damos_filter_type type) +/** + * damos_filter_for_ops() - Return if the filter is ops-hndled one. + * @type: type of the filter. + * + * Return: true if the filter of @type needs to be handled by ops layer, false + * otherwise. + */ +bool damos_filter_for_ops(enum damos_filter_type type) { switch (type) { case DAMOS_FILTER_TYPE_ADDR: