x86: unify TASK_ALIGN definitions
This patch moves the TASK_ALIGN constraints to common header.
The base of it is the same for x86_64 and i386. The only difference
is the presence of vSMP in x86_64. As it's not a worry in i386, we can
safely use the same code for both.
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h
index 0e82ad5..8b56c23 100644
--- a/include/asm-x86/processor.h
+++ b/include/asm-x86/processor.h
@@ -22,6 +22,14 @@
return pc;
}
+#ifdef CONFIG_X86_VSMP
+#define ARCH_MIN_TASKALIGN (1 << INTERNODE_CACHE_SHIFT)
+#define ARCH_MIN_MMSTRUCT_ALIGN (1 << INTERNODE_CACHE_SHIFT)
+#else
+#define ARCH_MIN_TASKALIGN 16
+#define ARCH_MIN_MMSTRUCT_ALIGN 0
+#endif
+
static inline void native_cpuid(unsigned int *eax, unsigned int *ebx,
unsigned int *ecx, unsigned int *edx)
{