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    SubjectRe: [GIT PULL] scheduler fixes
    From
    On Sun, May 24, 2009 at 9:34 PM, Yinghai Lu <yinghai@kernel.org> wrote:
    >> Ingo, here's a patch that boots UMA+SMP+SLUB x86-64 kernel on qemu all
    >> the way to userspace. It probably breaks bunch of things for now but
    >> something for you to play with if you want.
    >>
    >
    > updated with tip/master. also add change to cpupri_init
    > otherwise will get
    > [    0.000000] Memory: 523096612k/537526272k available (10461k kernel code, 656156k absent, 13773504k reserved, 7186k data, 2548k init)
    > [    0.000000] SLUB: Genslabs=14, HWalign=64, Order=0-3, MinObjects=0, CPUs=32, Nodes=8
    > [    0.000000] ------------[ cut here ]------------
    > [    0.000000] WARNING: at kernel/lockdep.c:2282 lockdep_trace_alloc+0xaf/0xee()
    > [    0.000000] Hardware name: Sun Fire X4600 M2
    > [    0.000000] Modules linked in:
    > [    0.000000] Pid: 0, comm: swapper Not tainted 2.6.30-rc6-tip-01778-g0afdd0f-dirty #259
    > [    0.000000] Call Trace:
    > [    0.000000]  [<ffffffff810a0274>] ? lockdep_trace_alloc+0xaf/0xee
    > [    0.000000]  [<ffffffff81075ab0>] warn_slowpath_common+0x88/0xcb
    > [    0.000000]  [<ffffffff81075b15>] warn_slowpath_null+0x22/0x38
    > [    0.000000]  [<ffffffff810a0274>] lockdep_trace_alloc+0xaf/0xee
    > [    0.000000]  [<ffffffff8110301b>] kmem_cache_alloc_node+0x38/0x14d
    > [    0.000000]  [<ffffffff813ec548>] ? alloc_cpumask_var_node+0x4a/0x10a
    > [    0.000000]  [<ffffffff8109eb61>] ? lockdep_init_map+0xb9/0x564
    > [    0.000000]  [<ffffffff813ec548>] alloc_cpumask_var_node+0x4a/0x10a
    > [    0.000000]  [<ffffffff813ec62c>] alloc_cpumask_var+0x24/0x3a
    > [    0.000000]  [<ffffffff819e6306>] cpupri_init+0x7f/0x112
    > [    0.000000]  [<ffffffff819e5a30>] init_rootdomain+0x72/0xb7
    > [    0.000000]  [<ffffffff821facce>] sched_init+0x109/0x660
    > [    0.000000]  [<ffffffff82203082>] ? kmem_cache_init+0x193/0x1b2
    > [    0.000000]  [<ffffffff821dfd7a>] start_kernel+0x218/0x3f3
    > [    0.000000]  [<ffffffff821df2a9>] x86_64_start_reservations+0xb9/0xd4
    > [    0.000000]  [<ffffffff821df3b2>] x86_64_start_kernel+0xee/0x109
    > [    0.000000] ---[ end trace a7919e7f17c0a725 ]---
    >
    > works with 8 sockets numa amd64 box.

    Oh, cool. Thanks for testing! I'll rebase on top of tip and merge your
    changes to my patch.
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