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[209.85.220.65]) by mx.google.com with SMTPS id 88sor12417000plb.63.2019.01.19.18.43.10 for (Google Transport Security); Sat, 19 Jan 2019 18:43:11 -0800 (PST) Received-SPF: pass (google.com: domain of changbin.du@gmail.com designates 209.85.220.65 as permitted sender) client-ip=209.85.220.65; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b="ve7uMo/W"; spf=pass (google.com: domain of changbin.du@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=changbin.du@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=BF0HO+6QfeFEmeGaUgC9N9Nw569CU5Sf/OjrZdT31Wg=; b=ve7uMo/WkBW5ujSWYk+nN5+VSlRR2lfzFGtil22YGCIoR4mFc1H4ycwzUrksmeSCmB RarIj+S+Qc7rqJtHbHBRO1nYLdwhDjxAOaqPAmQnOOGHS1IdLCIwrDSFgbTWCaln8MZs bWyyqSyCPpMLsFgdlOFxxLSlxOUXPZdGCNE5mgjrkvuFAmPC8arCyTC+kbOAeiwzDjXt q2ESNsJrtH1s/dFv3EdnwxHs+cFNHW6si7TTQFYdfg7HkCCiRExo/7thTpe5VBP5xlBq XDk6zVTqwNPEahQ58U/hVUf3e2E2oyRBbLyca+tZwOricxgotO9ErTNNokApwhGqykG8 VRbA== X-Google-Smtp-Source: ALg8bN7ZtgzavMun3yAyKxR+7y4PL4IqxrsURKlQG8mJ2G3W6aSTG9mtKyeOMt55UoILIzxB+OPOpQ== X-Received: by 2002:a17:902:50e:: with SMTP id 14mr24538529plf.141.1547952190466; Sat, 19 Jan 2019 18:43:10 -0800 (PST) Received: from localhost.localdomain ([207.246.99.41]) by smtp.gmail.com with ESMTPSA id j197sm12208228pgc.76.2019.01.19.18.43.07 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 19 Jan 2019 18:43:09 -0800 (PST) From: Changbin Du To: akpm@linux-foundation.org Cc: yamada.masahiro@socionext.com, mingo@kernel.org, arnd@arndb.de, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Changbin Du Subject: [PATCH] mm/page_owner: move config option to mm/Kconfig.debug Date: Sun, 20 Jan 2019 10:42:54 +0800 Message-Id: <20190120024254.6270-1-changbin.du@gmail.com> X-Mailer: git-send-email 2.17.1 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: X-Virus-Scanned: ClamAV using ClamSMTP Move the PAGE_OWNER option from submenu "Compile-time checks and compiler options" to dedicated submenu "Memory Debugging". Signed-off-by: Changbin Du Acked-by: Vlastimil Babka --- lib/Kconfig.debug | 17 ----------------- mm/Kconfig.debug | 17 +++++++++++++++++ 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index d4df5b24d75e..e43cfdc86fd6 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -266,23 +266,6 @@ config UNUSED_SYMBOLS you really need it, and what the merge plan to the mainline kernel for your module is. -config PAGE_OWNER - bool "Track page owner" - depends on DEBUG_KERNEL && STACKTRACE_SUPPORT - select DEBUG_FS - select STACKTRACE - select STACKDEPOT - select PAGE_EXTENSION - help - This keeps track of what call chain is the owner of a page, may - help to find bare alloc_page(s) leaks. Even if you include this - feature on your build, it is disabled in default. You should pass - "page_owner=on" to boot parameter in order to enable it. Eats - a fair amount of memory if enabled. See tools/vm/page_owner_sort.c - for user-space helper. - - If unsure, say N. - config DEBUG_FS bool "Debug Filesystem" help diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug index 9a7b8b049d04..e3df921208c0 100644 --- a/mm/Kconfig.debug +++ b/mm/Kconfig.debug @@ -39,6 +39,23 @@ config DEBUG_PAGEALLOC_ENABLE_DEFAULT Enable debug page memory allocations by default? This value can be overridden by debug_pagealloc=off|on. +config PAGE_OWNER + bool "Track page owner" + depends on DEBUG_KERNEL && STACKTRACE_SUPPORT + select DEBUG_FS + select STACKTRACE + select STACKDEPOT + select PAGE_EXTENSION + help + This keeps track of what call chain is the owner of a page, may + help to find bare alloc_page(s) leaks. Even if you include this + feature on your build, it is disabled in default. You should pass + "page_owner=on" to boot parameter in order to enable it. Eats + a fair amount of memory if enabled. See tools/vm/page_owner_sort.c + for user-space helper. + + If unsure, say N. + config PAGE_POISONING bool "Poison pages after freeing" select PAGE_POISONING_NO_SANITY if HIBERNATION