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    SubjectRe: [patch] i386, vdso=[0|1] boot option and /proc/sys/vm/vdso_enabled
    Zachary Amsden <zach@vmware.com> 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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