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Message-ID: <20060801213751.GA11244@sequoia.sous-sol.org> Date: Tue, 1 Aug 2006 14:37:51 -0700 From: Chris Wright <chrisw@...s-sol.org> To: Andrew Morton <akpm@...l.org> Cc: Chris Wright <chrisw@...s-sol.org>, jeremy@...source.com, linux-kernel@...r.kernel.org, Christian.Limpach@...cam.ac.uk, clameter@....com, ebiederm@...ssion.com, kraxel@...e.de, hollisb@...ibm.com, ian.pratt@...source.com, rusty@...tcorp.com.au, zach@...are.com Subject: Re: [PATCH 7 of 13] Make __FIXADDR_TOP variable to allow it to make space for a hypervisor * Andrew Morton (akpm@...l.org) wrote: > On Tue, 1 Aug 2006 02:03:30 -0700 > Chris Wright <chrisw@...s-sol.org> wrote: > > > * Jeremy Fitzhardinge (jeremy@...source.com) wrote: > > > -#define MAXMEM (-__PAGE_OFFSET-__VMALLOC_RESERVE) > > > +#define MAXMEM (__FIXADDR_TOP-__PAGE_OFFSET-__VMALLOC_RESERVE) > > > > In the native case we lose one page of lowmem now. > > erm, isn't this the hunk which gave one of my machines a 4kb highmem zone? > I have memories of reverting it. Yes, that does sound quite familiar. I couldn't find the thread, do you recall any of the details? I expect it's the same issue as the off by one page I mentioned above. thanks, -chris - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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