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Thu, 20 Feb 2025 19:35:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740080118; bh=GU12uco2vMf4JAexsBOLi5pNACf7z+JWPqGOUvIGCS0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BeyIYp78GztU1YYwb+ca3cS2Yi8BGrJD3+R7gQXyZWNhNe6K1eIWckOwHrUEGeFQj 21vcAgPEer4wqEwTJLzAzZ3riFyBOSPwGEt4Myr9BRaQG5/cnNuye38TmkNjBK3T0L EDHfmBOcvRtjIrtkwONumdBuwS5XWBFhwDMEZLvgpexhs+UrvRZ7m9Sj0Dekp/IekM odpTa6ritv1555zu1SF1eUNwc0Xk57Z9VZi4+rHWc2Or0na3danBy6cEnuMVP1j8tu 7grOWDow9U938cuH6/agBg+ZWIAn4fNkD58ZTAdFfsvfBbEDmDWHYog0XIXIHSaGAs CVxgLV9EilVtQ== 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 4/9] mm/damon/core: put ops-handled filters to damos->ops_filters Date: Thu, 20 Feb 2025 11:35:04 -0800 Message-Id: <20250220193509.36379-5-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250220193509.36379-1-sj@kernel.org> References: <20250220193509.36379-1-sj@kernel.org> MIME-Version: 1.0 X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: BBE6DC0019 X-Stat-Signature: gjmomtw4hnr4o1mmfq9bmxm995x7m3k1 X-HE-Tag: 1740080119-603465 X-HE-Meta: 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 WSf4LXc9 xNlLdeRf87TaFUjf9Tj8851g6Dv8IRhJPqL7v8jRTnMEG1sAuZmvLA+1AJLjM9HrstsAxw9k0+2tIs047OfyD8NL3RoSVVb+BLpdlvSAeigGm4Dn8u23PZOjMNcVY+TBmfuiyIEAYhRz887NzPB9t7qylCTljr/V8/d7UpQFXJNFmbWRxcJgfRVZUufMTm68o7U6hFll7iC67oqqKGmnN3InwY2oy7c78NDelnHMV82wIjRXY+i3NfF0QGuCCxiPkKAOj4v0J2OMs98G98aVCpZ91Jg== 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->ops_filters has introduced to be used for operations layer handled filters. But DAMON kernel API callers can put any type of DAMOS filters to any of damos->filters and damos->ops_filters. DAMON ABI users have no way other than still using only damos->filters. Update damos_add_filter(), which should be used by API callers to install DAMOS filters, to add core layers and operation layer handled filters to ->filters and ->ops_filters, respectively. The change is applied to both API callers and ABI users since ABI users use the API internally. Signed-off-by: SeongJae Park --- mm/damon/core.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/mm/damon/core.c b/mm/damon/core.c index ffdd84ff6fa5..78126a5145fd 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -281,9 +281,24 @@ struct damos_filter *damos_new_filter(enum damos_filter_type type, return filter; } +static bool damos_filter_for_ops(enum damos_filter_type type) +{ + switch (type) { + case DAMOS_FILTER_TYPE_ADDR: + case DAMOS_FILTER_TYPE_TARGET: + return false; + default: + break; + } + return true; +} + void damos_add_filter(struct damos *s, struct damos_filter *f) { - list_add_tail(&f->list, &s->filters); + if (damos_filter_for_ops(f->type)) + list_add_tail(&f->list, &s->ops_filters); + else + list_add_tail(&f->list, &s->filters); } static void damos_del_filter(struct damos_filter *f)