From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <50BC15E1.8060806@cn.fujitsu.com> Date: Mon, 03 Dec 2012 11:00:49 +0800 From: Lin Feng MIME-Version: 1.0 Subject: Re: [BUG REPORT] [mm-hotplug, aio] aio ring_pages can't be offlined References: <1354172098-5691-1-git-send-email-linfeng@cn.fujitsu.com> <20121129153930.477e9709.akpm@linux-foundation.org> <50B82B0D.8010206@cn.fujitsu.com> <20121129215749.acfd872a.akpm@linux-foundation.org> <50B859C6.3020707@cn.fujitsu.com> <20121129235502.05223586.akpm@linux-foundation.org> <50B88A8A.9020802@cn.fujitsu.com> <20121130024755.b5dae17e.akpm@linux-foundation.org> In-Reply-To: <20121130024755.b5dae17e.akpm@linux-foundation.org> Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: viro@zeniv.linux.org.uk, bcrl@kvack.org, kamezawa.hiroyu@jp.fujitsu.com, mhocko@suse.cz, hughd@google.com, cl@linux.com, mgorman@suse.de, minchan@kernel.org, isimatu.yasuaki@jp.fujitsu.com, laijs@cn.fujitsu.com, wency@cn.fujitsu.com, tangchen@cn.fujitsu.com, linux-fsdevel@vger.kernel.org, linux-aio@kvack.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Lin Feng On 11/30/2012 06:47 PM, Andrew Morton wrote: > On Fri, 30 Nov 2012 18:29:30 +0800 Lin Feng wrote: > >>> add a new library function which callers can use before (or after?) >>> calling get_user_pages[_fast](). >> Sorry, I'm not quite understand what "library function" function means.. >> Does it means a function aids get_user_pages() or totally wraps/replaces >> get_user_pages(), or none of above? > > "library function" is terminology for a general facility which > the core kernel makes available to other parts of the kernel. > get_user_pages() is a library function, as are the functions in lib/, > etc. "grep EXPORT_SYMBOL ./*/*.c" hi Andrew, Thanks for your explanation and sorry for my ignorant question :) As Mel said Still I can't find a way to make every guy happy.. Thanks, linfeng > > > -- 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