X-Recipient: archive-cygwin AT delorie DOT com X-Spam-Check-By: sourceware.org Date: Sat, 17 Jan 2009 18:22:49 +0100 From: Corinna Vinschen To: cygwin AT cygwin DOT com Subject: Re: how to get mmap page size? Message-ID: <20090117172249.GD400@calimero.vinschen.de> Reply-To: cygwin AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com On Jan 16 16:45, Jay Foad wrote: > Corinna Vinschen wrote: > > > Right. The reason is that mmap started to map memory top down at one > > point to fix a problem with Windows Vista. The mechanism to align > > the map always to 64K is still in Cygwin, but it currently doesn't > > work for files. I'll have a look into fixing that for Cygwin 1.7. > > OK, thanks. In the mean time I guess I'll just use a hard coded value > of 4K for the page size in my application. I fixed that in CVS. Actually it turned out that it never quite worked as intended due to a erronous condition. Please note that this can't work under WOW64 since WOW64 does not support the AT_ROUND_TO_PAGE flag to NtMapViewOfSection for some reason. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/