[patch 06/41] cpu alloc: crash_notes conversion

[Christoph Lameter]

Convert crash_notes access to use cpu alloc.

Signed-off-by: Christoph Lameter <clameter@xxxxxxx>
---
 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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