From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta0.migadu.com (out-149.mta0.migadu.com [91.218.175.149]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A4D7A491595 for ; Mon, 21 Sep 2026 11:46:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.149 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789991214; cv=none; b=P2fKwC3msZex3DVlxM7N7yWNgyFjoz+YIaf5WD45jH6o8tSsllz9lLzsST0cEoHG0y0TfiDyfxCYYMcj/M+M+YRUEcjCVXDgyWlnfXDmPGeS/F8zOcilIWsSQNASekdQMknSwTHLbm+bAXOkVVat7FFEqUSpAdLkLbZWgdlOI0s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789991214; c=relaxed/simple; bh=MtpBUFbzYu1oiksXdT+2b1TI1k9PS5Y6zJeNKYblZfY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=lYDVi6ejKIiIm86eZ6kbHBg6fNVcSAX3lpl+xYjVmqSHzRwepcDlDtzxRA75LH9aoavuV66cEpKqbGBZfsPErsujD5e2zh9BERdrQwwh/EAPpZLYiLvW9exwwTC+RkthMnfnBOi/KDsYyx5UH5amD9gGtRpl4mhc9rQuTNcQ9s0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=CgvFSGfc; arc=none smtp.client-ip=91.218.175.149 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="CgvFSGfc" X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=MtpBUFbzYu1oiksXdT+2b1TI1k9PS5Y6zJeNKYblZfY=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1789991206; v=1; x=1790596006; b=CgvFSGfc0f5mkgkhlKI3hvsEzJAbnIiw+COZbsZQYEmR1ZlbwrsbLB/EC7g/1KwaQzZzeudY YsWajDQ5z5xzq/2GEajOC0IQUYKIfd8F6bmOr3882exYnOjWWh9QKfhjZ21vao/wBYYhH89xT42 B5osjB2vIMC/fBOyOZh+LL6Q= X-Envelope-To: linux-kernel@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id a9ffc5cf04c1e7d3; Mon, 21 Sep 2026 11:46:46 +0000 X-Mizu-Trace-ID: a9ffc5cf04c1e7d3 X-Migadu-Flow: FLOW_OUT From: Ridong Chen To: Steven Rostedt , Masami Hiramatsu , Johannes Weiner , Michal Hocko , Roman Gushchin , Shakeel Butt , Andrew Morton , Dave Chinner Cc: Mathieu Desnoyers , Muchun Song , Qi Zheng , Kairui Song , Barry Song , Axel Rasmussen , Yuanchu Xie , Wei Xu , Baoquan He , Baolin Wang , David Hildenbrand , Lorenzo Stoakes , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, cgroups@vger.kernel.org (open list:CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)), linux-mm@kvack.org (open list:CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)), Ridong Chen , Ridong Chen Subject: [PATCH RFC 2/4] mm/vmscan: move vmscan tracepoints to a local header Date: Mon, 21 Sep 2026 19:46:04 +0800 Message-Id: <20260921114606.3871820-3-ridong.chen@linux.dev> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260921114606.3871820-1-ridong.chen@linux.dev> References: <20260921114606.3871820-1-ridong.chen@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Ridong Chen Move include/trace/events/vmscan.h to mm/trace_vmscan.h so that the tracepoints can be extended to reference vmscan-internal structures such as struct scan_control, which is not visible outside mm/. This mirrors what several other subsystems already do with their trace headers (e.g. fs/ext2, kernel/trace/trace_benchmark). No functional change. Assisted-by: Claude:claude-opus-4-8 Signed-off-by: Ridong Chen --- MAINTAINERS | 2 ++ mm/shrinker.c | 2 +- include/trace/events/vmscan.h => mm/trace_vmscan.h | 4 ++++ mm/vmscan.c | 2 +- 4 files changed, 8 insertions(+), 2 deletions(-) rename include/trace/events/vmscan.h => mm/trace_vmscan.h (99%) diff --git a/MAINTAINERS b/MAINTAINERS index e26b963d4001..c1dbb35273c4 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17227,6 +17227,7 @@ F: Documentation/admin-guide/mm/multigen_lru.rst F: Documentation/mm/multigen_lru.rst F: include/linux/mm_inline.h F: include/linux/mmzone.h +F: mm/trace_vmscan.h F: mm/vmscan.c F: mm/workingset.c @@ -17374,6 +17375,7 @@ R: Shakeel Butt R: Lorenzo Stoakes L: linux-mm@kvack.org S: Maintained +F: mm/trace_vmscan.h F: mm/vmscan.c F: mm/workingset.c diff --git a/mm/shrinker.c b/mm/shrinker.c index 7ec2a9704f6f..3c3e87c4b61c 100644 --- a/mm/shrinker.c +++ b/mm/shrinker.c @@ -3,7 +3,7 @@ #include #include #include -#include +#include "trace_vmscan.h" #include "internal.h" diff --git a/include/trace/events/vmscan.h b/mm/trace_vmscan.h similarity index 99% rename from include/trace/events/vmscan.h rename to mm/trace_vmscan.h index 8a872990b4be..c5d824fef554 100644 --- a/include/trace/events/vmscan.h +++ b/mm/trace_vmscan.h @@ -648,4 +648,8 @@ TRACE_EVENT(mm_vmscan_kswapd_clear_hopeless, #endif /* _TRACE_VMSCAN_H */ /* This part must be outside protection */ +#undef TRACE_INCLUDE_FILE +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH ../../mm +#define TRACE_INCLUDE_FILE trace_vmscan #include diff --git a/mm/vmscan.c b/mm/vmscan.c index 91295070ca33..0eb7fa8e1d43 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -71,7 +71,7 @@ #include "swap.h" #define CREATE_TRACE_POINTS -#include +#include "trace_vmscan.h" struct scan_control { /* How many pages shrink_list() should reclaim */ -- 2.34.1