| To: | "Tommy S. Christensen" <tommy.christensen@eicon.com> |
|---|---|
| Subject: | Re: vmalloc bugs in 2.4.5??? |
| From: | Ralf Baechle <ralf@oss.sgi.com> |
| Date: | Thu, 27 Dec 2001 19:19:59 -0200 |
| Cc: | Atsushi Nemoto <nemoto@toshiba-tops.co.jp>, dony.he@huawei.com, linux-mips@oss.sgi.com |
| In-reply-to: | <3C2B45D3.B938CA44@eicon.com>; from tommy.christensen@eicon.com on Thu, Dec 27, 2001 at 05:01:23PM +0100 |
| References: | <20011226013221.A737@dea.linux-mips.net> <20011227.105518.74756316.nemoto@toshiba-tops.co.jp> <20011227011222.A16695@dea.linux-mips.net> <20011227.125122.71082554.nemoto@toshiba-tops.co.jp> <20011227022936.A19397@dea.linux-mips.net> <3C2B45D3.B938CA44@eicon.com> |
| Sender: | owner-linux-mips@oss.sgi.com |
| User-agent: | Mutt/1.2.5i |
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. Ralf |
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