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    Subject[patch 06/41] cpu alloc: crash_notes conversion
    Convert crash_notes access to use cpu alloc.

    Signed-off-by: Christoph Lameter <clameter@sgi.com>
    ---
    arch/ia64/kernel/crash.c | 2 +-
    drivers/base/cpu.c | 2 +-
    kernel/kexec.c | 4 ++--
    3 files changed, 4 insertions(+), 4 deletions(-)

    Index: linux-2.6/arch/ia64/kernel/crash.c
    ===================================================================
    --- linux-2.6.orig/arch/ia64/kernel/crash.c 2008-05-28 17:25:23.000000000 -0700
    +++ linux-2.6/arch/ia64/kernel/crash.c 2008-05-28 18:27:04.000000000 -0700
    @@ -72,7 +72,7 @@
    dst[46] = (unsigned long)ia64_rse_skip_regs((unsigned long *)dst[46],
    sof - sol);

    - buf = (u64 *) per_cpu_ptr(crash_notes, cpu);
    + buf = (u64 *) CPU_PTR(crash_notes, cpu);
    if (!buf)
    return;
    buf = append_elf_note(buf, KEXEC_CORE_NOTE_NAME, NT_PRSTATUS, prstatus,
    Index: linux-2.6/drivers/base/cpu.c
    ===================================================================
    --- linux-2.6.orig/drivers/base/cpu.c 2008-05-28 17:25:23.000000000 -0700
    +++ linux-2.6/drivers/base/cpu.c 2008-05-28 18:27:04.000000000 -0700
    @@ -95,7 +95,7 @@
    * boot up and this data does not change there after. Hence this
    * operation should be safe. No locking required.
    */
    - addr = __pa(per_cpu_ptr(crash_notes, cpunum));
    + addr = __pa(CPU_PTR(crash_notes, cpunum));
    rc = sprintf(buf, "%Lx\n", addr);
    return rc;
    }
    Index: linux-2.6/kernel/kexec.c
    ===================================================================
    --- linux-2.6.orig/kernel/kexec.c 2008-05-28 17:25:23.000000000 -0700
    +++ linux-2.6/kernel/kexec.c 2008-05-28 18:27:05.000000000 -0700
    @@ -1121,7 +1121,7 @@
    * squirrelled away. ELF notes happen to provide
    * all of that, so there is no need to invent something new.
    */
    - buf = (u32*)per_cpu_ptr(crash_notes, cpu);
    + buf = (u32 *)CPU_PTR(crash_notes, cpu);
    if (!buf)
    return;
    memset(&prstatus, 0, sizeof(prstatus));
    @@ -1135,7 +1135,7 @@
    static int __init crash_notes_memory_init(void)
    {
    /* Allocate memory for saving cpu registers. */
    - crash_notes = alloc_percpu(note_buf_t);
    + crash_notes = CPU_ALLOC(note_buf_t, GFP_KERNEL|__GFP_ZERO);
    if (!crash_notes) {
    printk("Kexec: Memory allocation for saving cpu register"
    " states failed\n");
    --


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