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b=NtyZUZKtBQqNFhYY/V1AEtjRwk1uHPZShVWg9p8KpXOUV444YhNyTSMs4gcbAp3WJ 7eW1AWkETUtr0Z8RG0WO7DM7bML78Qa74KWMEnhS0dDvFeCO5t8g7hfv+/lbi9UCZz Fo/S+eq8YAwWOsNeWyMyq/27DLQ2kWjQdPA/gC3HABWz1Cy0MyelNo7zOa+Ek2cGkh e7ZPR7fUZYLyRTCxmJKWkfE86ijwsP+uouKuc0xCi/QcqEFlEX+3axLDBqqPMAdVmJ 5BhZhwnYItUrYlVd40hZKlOnnw1N0mYp9tNoWrW4wyc51pxRA+jXDl7bvISJtVW+sL 6UaQYqIIG/YOQ== 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: [RFC PATCH 08/11] mm/damon: add DAMOS_QUOTA_NODE_MEMCG_FREE_BP quota tuning goal metric Date: Thu, 19 Jun 2025 15:00:20 -0700 Message-Id: <20250619220023.24023-9-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250619220023.24023-1-sj@kernel.org> References: <20250619220023.24023-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: ibo335y8ynp8cjfdtqwgafanisy773zr X-Rspamd-Queue-Id: 97F8E40005 X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1750370438-992133 X-HE-Meta: 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 SVIBCpP2 jHfXzodkV6zexSqPWb7vC+vHp9hKn1Km5XIxtLiYgmVg4iF08/oPZrv+gQp+uu9F3EYEnGpixbbjy+Etl4X9bxE2Qex5ualn+Kmb2fFAgpNUNslbmT08JtmukMU3crdn9ky+pluPK+gy1RqaHxA+OywUG3TRMeR4ObcF/WovbUctpZEtt6kxM8JqjgbCUgtVHQv7DllQxJ+Z/IaCmihqg61VBG+COEip+rFVO/LATYnPbcP+o8mGNtIto3mvyu40Qr622H7CuE0aZ4xDJzTIE/s/a4A== 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: Add a variant of DAMOS_QUOTA_NODE_MEMCG_USED_BP, for free memory portion. Note that this commit only extends the DAMON API. The real behavior will be implemented by a following commit. Signed-off-by: SeongJae Park --- include/linux/damon.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/include/linux/damon.h b/include/linux/damon.h index 43aef959d357..ba02c95e7d85 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -176,6 +176,7 @@ enum damos_action { * @DAMOS_QUOTA_NODE_MEM_USED_BP: MemUsed ratio of a node. * @DAMOS_QUOTA_NODE_MEM_FREE_BP: MemFree ratio of a node. * @DAMOS_QUOTA_NODE_MEMCG_USED_BP: MemUsed ratio of a node for a cgroup. + * @DAMOS_QUOTA_NODE_MEMCG_FREE_BP: MemFree ratio of a node for a cgroup. * @DAMOS_QUOTA_ACTIVE_MEM_BP: Active to inactive memory ratio. * @NR_DAMOS_QUOTA_GOAL_METRICS: Number of DAMOS quota goal metrics. * @@ -187,6 +188,7 @@ enum damos_quota_goal_metric { DAMOS_QUOTA_NODE_MEM_USED_BP, DAMOS_QUOTA_NODE_MEM_FREE_BP, DAMOS_QUOTA_NODE_MEMCG_USED_BP, + DAMOS_QUOTA_NODE_MEMCG_FREE_BP, DAMOS_QUOTA_ACTIVE_MEM_BP, NR_DAMOS_QUOTA_GOAL_METRICS, }; @@ -213,8 +215,8 @@ enum damos_quota_goal_metric { * If @metric is DAMOS_QUOTA_NODE_MEM_{USED,FREE}_BP, @nid represents the node * id of the target node to account the used/free memory. * - * If @metric is DAMOS_QUOTA_NODE_MEMCG_USED_BP, @nid and @memcg_id represents - * the node id and the cgroup to account the used memory for. + * If @metric is DAMOS_QUOTA_NODE_MEMCG_{USED,FREE}_BP, @nid and @memcg_id + * represents the node id and the cgroup to account the used memory for. */ struct damos_quota_goal { enum damos_quota_goal_metric metric; -- 2.39.5