<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Any updates on this ? I need something similar.<br><br>Thanks,<br>Maindoor.<br><br>--- On <b>Thu, 4/29/10, Benjamin Herrenschmidt <i><benh@kernel.crashing.org></i></b> wrote:<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"><br>From: Benjamin Herrenschmidt <benh@kernel.crashing.org><br>Subject: Re: [PATCH] Fix DEBUG_PAGEALLOC on 603/e300<br>To: "Xianghua Xiao" <xiaoxianghua@gmail.com><br>Cc: "linuxppc-dev" <linuxppc-dev@lists.ozlabs.org><br>Date: Thursday, April 29, 2010, 3:59 AM<br><br><div class="plainMail">On Wed, 2010-04-28 at 14:15 -0500, Xianghua Xiao wrote:<br>> This change works me on a 834x(e300) platform, tested with lmbench and<br>> a production-ready application with 2.6.33.3.<br><br>But have you tested that DEBUG_PAGEALLOC actually works ? :-)<br><br>A way to do that
is to<br><br> - get_free_pages a page<br> - read from it<br> - free it<br> - write to it<br><br>It should oops on the write, and I suspect that without my patch it<br>doesn't.<br><br>Cheers,<br>Ben.<br><br><br>_______________________________________________<br>Linuxppc-dev mailing list<br><a ymailto="mailto:Linuxppc-dev@lists.ozlabs.org" href="/mc/compose?to=Linuxppc-dev@lists.ozlabs.org">Linuxppc-dev@lists.ozlabs.org</a><br><a href="https://lists.ozlabs.org/listinfo/linuxppc-dev" target="_blank">https://lists.ozlabs.org/listinfo/linuxppc-dev</a><br></div></blockquote></td></tr></table><br>