Commit c93c82bb authored Jan 30, 2008 by Andi Kleen Committed by Ingo Molnar Jan 30, 2008

x86: shrink __PAGE_KERNEL/__PAGE_KERNEL_EXEC on non PAE kernels



No need to make it 64bit there.

Signed-off-by: Andi Kleen <ak@suse.de>
Acked-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

parent a3ae91b0

arch/x86/mm/init_32.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -332,9 +332,9 @@ static void __init set_highmem_pages_init(int bad_ppro)
		#define set_highmem_pages_init(bad_ppro) do { } while (0)
		#endif /* CONFIG_HIGHMEM */

		unsigned long long __PAGE_KERNEL = _PAGE_KERNEL;
		pteval_t __PAGE_KERNEL = _PAGE_KERNEL;
		EXPORT_SYMBOL(__PAGE_KERNEL);
		unsigned long long __PAGE_KERNEL_EXEC = _PAGE_KERNEL_EXEC;
		pteval_t __PAGE_KERNEL_EXEC = _PAGE_KERNEL_EXEC;

		#ifdef CONFIG_NUMA
		extern void __init remap_numa_kva(void);

include/asm-x86/pgtable.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -69,7 +69,7 @@
		#define _PAGE_KERNEL (_PAGE_KERNEL_EXEC \| _PAGE_NX)

		#ifndef __ASSEMBLY__
		extern unsigned long long __PAGE_KERNEL, __PAGE_KERNEL_EXEC;
		extern pteval_t __PAGE_KERNEL, __PAGE_KERNEL_EXEC;
		#endif /* __ASSEMBLY__ */
		#else
		#define __PAGE_KERNEL_EXEC \