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    SubjectRe: PROBLEM: Linux 2.6.0-test11 only lets me use 1GB out of 2GB ram.
    On Wed, Dec 10, 2003 at 11:06:46PM -0600, Donald Maner wrote:
    > The kernel you're using WAS compiled with CONFIG_HIGHMEM4G=y, correct?

    No.


    On Thu, Dec 11, 2003 at 04:13:25PM +1100, Nick Piggin wrote:
    > Or ARCH=x86_64 ?

    Yes. Well, no... I don't see that option in my .config. I
    did specify the amd64 bit archictecture, but I don't know
    what that means in .config terms. Here's what's set under
    "# Processor type and features":

    CONFIG_X86_PC=y
    CONFIG_MK8=y
    CONFIG_X86_CMPXCHG=y
    CONFIG_X86_XADD=y
    CONFIG_X86_L1_CACHE_SHIFT=6
    CONFIG_RWSEM_XCHGADD_ALGORITHM=y
    CONFIG_X86_WP_WORKS_OK=y
    CONFIG_X86_INVLPG=y
    CONFIG_X86_BSWAP=y
    CONFIG_X86_POPAD_OK=y
    CONFIG_X86_GOOD_APIC=y
    CONFIG_X86_INTEL_USERCOPY=y
    CONFIG_X86_USE_PPRO_CHECKSUM=y
    CONFIG_HPET_TIMER=y
    CONFIG_HPET_EMULATE_RTC=y
    CONFIG_SMP=y
    CONFIG_NR_CPUS=2
    CONFIG_PREEMPT=y
    CONFIG_X86_LOCAL_APIC=y
    CONFIG_X86_IO_APIC=y
    CONFIG_X86_TSC=y
    CONFIG_X86_MCE=y
    CONFIG_X86_MSR=y
    CONFIG_X86_CPUID=y
    CONFIG_NOHIGHMEM=y
    CONFIG_MTRR=y
    CONFIG_HAVE_DEC_LOCK=y

    On Thu, Dec 11, 2003 at 04:48:51PM +1100, Nick Piggin wrote:
    > At any rate, Raul, highmem shouldn't hurt your performance significantly
    > with the 2.6 kernel. If it does then send a note to the list.

    Ok, I guess I'll try that (tomorrow, unless I hear any better suggestions
    before then).

    [I thought highmem was something completely different -- that it declared
    a watermark and memory above that watermark was treated differently.
    However, I guess I understand that this might have the side effect of
    bumping things around such that I get access to the memory.]

    Thanks,

    --
    Raul Miller
    moth@magenta.com
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