Re: [RFC] bootmem for 2.5

William Lee Irwin III (wli@holomorphy.com)
Mon, 5 Nov 2001 20:10:53 -0800

On Mon, Nov 05, 2001 at 10:23:45PM -0500, Robert Love wrote:
> The patch is without problem on 2.4.13-ac7. Free memory increased by
> about 100K: free and dmesg both confirm 384292k vs 384196k. This is a
> P3-733 on an i815 with 384MB. Very nice.

> Note that the patch and UP-APIC do not get along. Some quick debugging
> with William found the cause. APIC does indeed touch bootmem. The
> above is thus obviously with CONFIG_X86_UP_APIC unset.

Thank you very much for testing the patch! And doubly so for uncovering
this deficiency, which I will work to correct in short order as soon as
I can get to some UP APIC machines (tomorrow).

It looks like things may be going wrong around line 675 of apic.c,
though I can't say more for sure at the moment.

Thanks,
Bill
-----------------
willir@us.ibm.com
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