As suggested by Andi Kleen, don't allocate a GDT page if there is already one
present. Needed for CPU hotplug.
Signed-off-by: Zachary Amsden <[email protected]>
Index: linux-2.6.14-rc1/arch/i386/kernel/smpboot.c
===================================================================
--- linux-2.6.14-rc1.orig/arch/i386/kernel/smpboot.c 2005-09-20 20:38:22.000000000 -0700
+++ linux-2.6.14-rc1/arch/i386/kernel/smpboot.c 2005-09-28 12:54:08.000000000 -0700
@@ -898,7 +898,8 @@ static int __devinit do_boot_cpu(int api
* This grunge runs the startup process for
* the targeted processor.
*/
- cpu_gdt_descr[cpu].address = __get_free_page(GFP_KERNEL|__GFP_ZERO);
+ if (!cpu_gdt_descr[cpu].address)
+ cpu_gdt_descr[cpu].address = __get_free_page(GFP_KERNEL|__GFP_ZERO);
atomic_set(&init_deasserted, 0);
-
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