Re: [PATCH 7 of 13] Make __FIXADDR_TOP variable to allow it to make space for a hypervisor

* Andrew Morton ([email protected]) wrote:
> On Tue, 1 Aug 2006 02:03:30 -0700
> Chris Wright <[email protected]> wrote:
> 
> > * Jeremy Fitzhardinge ([email protected]) 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 [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• Follow-Ups:
  • Re: [PATCH 7 of 13] Make __FIXADDR_TOP variable to allow it to make space for a hypervisor
    • From: Rusty Russell <[email protected]>

• References:
  • Re: [PATCH 7 of 13] Make __FIXADDR_TOP variable to allow it to make space for a hypervisor
    • From: Chris Wright <[email protected]>
  • Re: [PATCH 7 of 13] Make __FIXADDR_TOP variable to allow it to make space for a hypervisor
    • From: Andrew Morton <[email protected]>

• Prev by Date: Re: let md auto-detect 128+ raid members, fix potential race condition
• Next by Date: Re: [discuss] Re: [PATCH for 2.6.18] [2/8] x86_64: On Intel systems when CPU has C3 don't use TSC
• Previous by thread: Re: [PATCH 7 of 13] Make __FIXADDR_TOP variable to allow it to make space for a hypervisor
• Next by thread: Re: [PATCH 7 of 13] Make __FIXADDR_TOP variable to allow it to make space for a hypervisor
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]