From mboxrd@z Thu Jan 1 00:00:00 1970 From: Al Viro Subject: Re: open(2) manpage and O_NONBLOCK Date: Mon, 28 Mar 2016 05:08:45 +0100 Message-ID: <20160328040845.GT17997@ZenIV.linux.org.uk> References: <20160321202347.GG1612@cork> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-man-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "Michael Kerrisk (man-pages)" Cc: =?iso-8859-1?Q?J=F6rn?= Engel , linux-man , "linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-man@vger.kernel.org On Mon, Mar 28, 2016 at 04:58:33PM +1300, Michael Kerrisk (man-pages) wrote: > > blocking memory allocation: > > f = kmem_cache_zalloc(filp_cachep, GFP_KERNEL); > > For how long might this block, though? Not much, usually. Finding the file, though, can bloody well take a _long_ time - put it behind an automount from a slow server and we might be easily talking about minutes, if not longer. -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html