Re: [patch] i386, vdso=[0|1] boot option and/proc/sys/vm/vdso_enabled

[Andrew Morton]

Zachary Amsden <zach@xxxxxxxxxx> wrote:
>
> Please try my patch - sent earlier, but attached again.  It will tell 
>  you with 100% confidence if the problem is with userspace expecting the 
>  vsyscall page to be at a particular address.
> 
> 
> [bogo-fixmap  text/plain (645 bytes)]
> 
>  Index: linux-2.6.17-rc/include/asm-i386/fixmap.h
>  ===================================================================
>  --- linux-2.6.17-rc.orig/include/asm-i386/fixmap.h	2006-03-19 21:53:29.000000000 -0800
>  +++ linux-2.6.17-rc/include/asm-i386/fixmap.h	2006-05-19 18:16:00.000000000 -0700
>  @@ -20,7 +20,7 @@
>    * Leave one empty page between vmalloc'ed areas and
>    * the start of the fixmap.
>    */
>  -#define __FIXADDR_TOP	0xfffff000
>  +#define __FIXADDR_TOP	0xffbff000

The machine runs OK with that applied and with
move-vsyscall-page-out-of-fixmap-into-normal-vma-as-per-mmap.patch not
applied.
-
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