From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Date: Mon, 22 Nov 2004 19:52:30 +0000 Subject: Re: [ANNOUNCE] udev 046 release Message-Id: <20041122195230.GA10426@kroah.com> List-Id: References: <20041118224411.GA10876@kroah.com> In-Reply-To: <20041118224411.GA10876@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-hotplug@vger.kernel.org On Sat, Nov 20, 2004 at 07:40:58PM +0100, Alex Riesen wrote: > On Fri, 19 Nov 2004 14:58:44 -0800, Greg KH wrote: > > > > > I've released the 046 version of udev. It can be found at: > > > > > kernel.org/pub/linux/utils/kernel/hotplug/udev-046.tar.gz > > > > I just put const's at some places. It cut down data segments, but > > > > increased code size. > > > > Overall still smaller: > > > > What version of gcc are you using that causes this to happen? And why > > does it happen? Why does the compiler think it can pack these > > structures better if they are const *? > > I have 3.3.4, but I'm almost sure it shall happen with any compiler: no compiler > has given the knowledge that the structures will be never changed in any way. > So it can use the same storage for the equal string constants, for example. > With the knowledge it must assume you will change contents of the constants > sometime, and have to allocate the space for them separately. IOW, they are > not constants, just initializers. But, in fact, they are, hence the > suggestion to help > the compiler by declaring them const Ok, Kay has commited your changes to the udev tree, thanks. greg k-h ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/ _______________________________________________ Linux-hotplug-devel mailing list http://linux-hotplug.sourceforge.net Linux-hotplug-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel