diff options
Diffstat (limited to 'arch/x86/machine/param.h')
| -rw-r--r-- | arch/x86/machine/param.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/machine/param.h b/arch/x86/machine/param.h index 41861398..e7612441 100644 --- a/arch/x86/machine/param.h +++ b/arch/x86/machine/param.h @@ -110,10 +110,16 @@ */ #define VM_MIN_KERNEL_ADDRESS (VM_PMAP_PTEMAP_ADDRESS + VM_PMAP_PTEMAP_SIZE) +/* + * In addition to being the end of the kernel address space, this is also + * where the kernel image is loaded. Excluding the kernel image from its + * address space simplifies bootstrapping, and also saves a static VM map + * entry. + */ #ifdef __LP64__ #define VM_MAX_KERNEL_ADDRESS DECL_CONST(0xffffffff80000000, UL) #else /* __LP64__ */ -#define VM_MAX_KERNEL_ADDRESS DECL_CONST(0xffe00000, UL) +#define VM_MAX_KERNEL_ADDRESS DECL_CONST(0xfc000000, UL) #endif /* __LP64__ */ /* |