From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [PATCH 20/32] aio: Give shared kioctx fields their own cachelines Date: Thu, 3 Jan 2013 15:25:12 -0800 Message-ID: <20130103152512.009513a1.akpm@linux-foundation.org> References: <1356573611-18590-1-git-send-email-koverstreet@google.com> <1356573611-18590-23-git-send-email-koverstreet@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, linux-aio@kvack.org, linux-fsdevel@vger.kernel.org, zab@redhat.com, bcrl@kvack.org, jmoyer@redhat.com, axboe@kernel.dk, viro@zeniv.linux.org.uk, tytso@mit.edu To: Kent Overstreet Return-path: In-Reply-To: <1356573611-18590-23-git-send-email-koverstreet@google.com> Sender: owner-linux-aio@kvack.org List-Id: linux-fsdevel.vger.kernel.org On Wed, 26 Dec 2012 17:59:59 -0800 Kent Overstreet wrote: > struct { > - struct mutex ring_lock; > + atomic_t reqs_active; > } ____cacheline_aligned; Is there a reason why this guy remains aligned on CONFIG_SMP=n? -- To unsubscribe, send a message with 'unsubscribe linux-aio' in the body to majordomo@kvack.org. For more info on Linux AIO, see: http://www.kvack.org/aio/ Don't email: aart@kvack.org