----- Original Message ----- From: Ralf Baechle <ralf@oss.sgi.com> To: Tommy S. Christensen <tommy.christensen@eicon.com> Cc: Atsushi Nemoto <nemoto@toshiba-tops.co.jp>; <dony.he@huawei.com>; <linux-mips@oss.sgi.com> Sent: Friday, December 28, 2001 5:19 AM Subject: Re: vmalloc bugs in 2.4.5??? > On Thu, Dec 27, 2001 at 05:01:23PM +0100, Tommy S. Christensen wrote: > > > Great! But please make sure that the cache is flushed after the pages > > are allocated instead of before. > > > > With 2.4.9 that still had the cache-flushing in vmalloc_area_pages(), I > > got cache aliasing problems in low memory situations (since alloc_page() > > will re-schedule when no pages are available). > > Correct; I fixed that one. That's actually a nasty one, affects all > previous Linux releases. I wonder how this one went unnoticed for so long. > Probably because loading modules is a relativly rare event or so. How do you fix it? Can you mail your fixup code to me please? machael
