From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f71.google.com (mail-pg0-f71.google.com [74.125.83.71]) by kanga.kvack.org (Postfix) with ESMTP id 0F51D6B0033 for ; Mon, 4 Dec 2017 00:16:48 -0500 (EST) Received: by mail-pg0-f71.google.com with SMTP id m16so10561782pgn.22 for ; Sun, 03 Dec 2017 21:16:48 -0800 (PST) Received: from lgeamrelo13.lge.com (LGEAMRELO13.lge.com. [156.147.23.53]) by mx.google.com with ESMTP id 59si6098438plp.809.2017.12.03.21.16.46 for ; Sun, 03 Dec 2017 21:16:46 -0800 (PST) From: Byungchul Park Subject: [PATCH v2 0/4] lockdep/crossrelease: Apply crossrelease to page locks Date: Mon, 4 Dec 2017 14:16:19 +0900 Message-Id: <1512364583-26070-1-git-send-email-byungchul.park@lge.com> Sender: owner-linux-mm@kvack.org List-ID: To: peterz@infradead.org, mingo@kernel.org, akpm@linux-foundation.org Cc: tglx@linutronix.de, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-block@vger.kernel.org, kernel-team@lge.com, jack@suse.cz, jlayton@redhat.com, viro@zeniv.linux.org.uk, hannes@cmpxchg.org, npiggin@gmail.com, rgoldwyn@suse.com, vbabka@suse.cz, mhocko@suse.com, pombredanne@nexb.com, vinmenon@codeaurora.org, gregkh@linuxfoundation.org For now, wait_for_completion() / complete() works with lockdep, add lock_page() / unlock_page() and its family to lockdep support. Changes from v1 - Move lockdep_map_cross outside of page_ext to make it flexible - Prevent allocating lockdep_map per page by default - Add a boot parameter allowing the allocation for debugging Byungchul Park (4): lockdep: Apply crossrelease to PG_locked locks lockdep: Apply lock_acquire(release) on __Set(__Clear)PageLocked lockdep: Move data of CONFIG_LOCKDEP_PAGELOCK from page to page_ext lockdep: Add a boot parameter enabling to track page locks using lockdep and disable it by default Documentation/admin-guide/kernel-parameters.txt | 7 ++ include/linux/mm_types.h | 4 + include/linux/page-flags.h | 43 +++++++- include/linux/pagemap.h | 125 ++++++++++++++++++++++-- lib/Kconfig.debug | 11 +++ mm/filemap.c | 114 ++++++++++++++++++++- mm/page_ext.c | 4 + 7 files changed, 299 insertions(+), 9 deletions(-) -- 1.9.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org