From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AAB40366806; Fri, 15 May 2026 00:44:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778805892; cv=none; b=K/QyHBj59AsfTnPh67yrMCXXophsLRxyKYn17yS73EDD0ToQrxa7NQ81zNzx2IDSRHFxLuZhBLb7tFiAji6qTo2lxxzzVywZ0c4Ei8biNAzuv7N8t4IaIHvPv3LJOR5bR51jwLRo+If+Zyu0IHC2/9/aY8YEYZkiRFCob269z4s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778805892; c=relaxed/simple; bh=FnXqCOHFDGvJv0wq5YsdefT6POS2mPmRouI+CopcLks=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=d8Yq/l9M+JPH4Z98qgU2mX6U0Xfe/oYnsukewOPDEYGLWJZYzwfXoHo8FL1m9EGAz+iubNCwKLSNBdOB51Fbgtje9lLgwNF9l+EkFlgLmG8lQm30o6aFFmMa5FrulJW1RqNDw5E4KNAvIWlDCqFhbt+XD9JlLRnpvcklUAFEUDM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WqAbhuCZ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WqAbhuCZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F2331C2BCB3; Fri, 15 May 2026 00:44:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778805892; bh=FnXqCOHFDGvJv0wq5YsdefT6POS2mPmRouI+CopcLks=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WqAbhuCZYwRVTcA7zp+bkbgr+8Gico9Vyk+HnlFgYCZbFgcBnMGkWw7OE4gec/taI qk9sHLP4yHjyMl5aMfY6HcjTMVJ+i7WCQ+h0D7c8YpjhCA8JDWd6HIDEYPoaryWMc9 R6FC/G/Nj6uOjZFpmrn03B8wVLPZR1Ve5H0790rxg9RpwNwlKi0y05IC7ErImmCQDL OpEXOVx/RPSq3+xkoF5JjTzX7U8sZekzRO11/s+OW8d7/cdw8kLVFA+R7FZKAaRN33 9uAfmNXJOlpMgOiJJy3qbaTtlDDFCLlwqORZ55aWzwr+7wvQapV/H08MzzKQ6j+QJS 1beloxFlWaGpA== From: SeongJae Park To: Cc: SeongJae Park , Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v2.2 14/28] mm/damon/sysfs: setup probes on DAMON core API parameters Date: Thu, 14 May 2026 17:44:15 -0700 Message-ID: <20260515004433.128933-15-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260515004433.128933-1-sj@kernel.org> References: <20260515004433.128933-1-sj@kernel.org> Precedence: bulk X-Mailing-List: damon@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add user-installed data probes to DAMON core API parameters, so that user inputs for data probes are passed to DAMON core. Signed-off-by: SeongJae Park --- mm/damon/sysfs.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index dd520e39d3602..c2c172aeae149 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -1825,6 +1825,40 @@ static int damon_sysfs_set_attrs(struct damon_ctx *ctx, return damon_set_attrs(ctx, &attrs); } +static int damon_sysfs_set_probes(struct damon_ctx *ctx, + struct damon_sysfs_probes *sys_probes) +{ + int i; + + for (i = 0; i < sys_probes->nr; i++) { + struct damon_sysfs_filters *sys_filters = + sys_probes->probes_arr[i]->filters; + struct damon_probe *c; + int j; + + if (!sys_filters) + continue; + c = damon_new_probe(); + if (!c) + return -ENOMEM; + damon_add_probe(ctx, c); + + for (j = 0; j < sys_filters->nr; j++) { + struct damon_sysfs_filter *sys_filter = + sys_filters->filters_arr[j]; + struct damon_filter *filter; + + filter = damon_new_filter(sys_filter->type, + sys_filter->matching, + sys_filter->allow); + if (!filter) + return -ENOMEM; + damon_add_filter(c, filter); + } + } + return 0; +} + static int damon_sysfs_set_regions(struct damon_target *t, struct damon_sysfs_regions *sysfs_regions, unsigned long min_region_sz) @@ -1936,6 +1970,9 @@ static int damon_sysfs_apply_inputs(struct damon_ctx *ctx, ctx->min_region_sz = max( DAMON_MIN_REGION_SZ / sys_ctx->addr_unit, 1); err = damon_sysfs_set_attrs(ctx, sys_ctx->attrs); + if (err) + return err; + err = damon_sysfs_set_probes(ctx, sys_ctx->attrs->probes); if (err) return err; err = damon_sysfs_add_targets(ctx, sys_ctx->targets); -- 2.47.3