diff options
Diffstat (limited to 'sys/alpha/include/vmparam.h')
| -rw-r--r-- | sys/alpha/include/vmparam.h | 34 |
1 files changed, 22 insertions, 12 deletions
diff --git a/sys/alpha/include/vmparam.h b/sys/alpha/include/vmparam.h index bc543fdae9d6..612fe8ee3415 100644 --- a/sys/alpha/include/vmparam.h +++ b/sys/alpha/include/vmparam.h @@ -1,4 +1,4 @@ -/* $Id$ */ +/* $Id: vmparam.h,v 1.1.1.1 1998/03/09 05:43:16 jb Exp $ */ /* From: NetBSD: vmparam.h,v 1.6 1997/09/23 23:23:23 mjacob Exp */ #ifndef _ALPHA_VMPARAM_H #define _ALPHA_VMPARAM_H @@ -74,6 +74,9 @@ #ifndef MAXSSIZ #define MAXSSIZ (1<<25) /* max stack size (32M) */ #endif +#ifndef SGROWSIZ +#define SGROWSIZ (128UL*1024) /* amount to grow stack */ +#endif /* * PTEs for mapping user space into the kernel for phyio operations. @@ -131,23 +134,30 @@ /* user/kernel map constants */ #define VM_MIN_ADDRESS ((vm_offset_t)ALPHA_USEG_BASE) /* 0 */ -#define VM_MAXUSER_ADDRESS ((vm_offset_t)0x0000000200000000) /* 8G XXX */ +#define VM_MAXUSER_ADDRESS ((vm_offset_t)(ALPHA_USEG_END + 1L)) #define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS #define VM_MIN_KERNEL_ADDRESS ((vm_offset_t)ALPHA_K1SEG_BASE) #define VM_MAX_KERNEL_ADDRESS ((vm_offset_t)ALPHA_K1SEG_END) /* virtual sizes (bytes) for various kernel submaps */ -#ifndef _KERNEL -#define VM_MBUF_SIZE (NMBCLUSTERS*MCLBYTES) -#define VM_KMEM_SIZE (NKMEMCLUSTERS*CLBYTES) -#define VM_PHYS_SIZE (USRIOSIZE*CLBYTES) -#else -extern u_int32_t vm_mbuf_size, vm_kmem_size, vm_phys_size; -#define VM_MBUF_SIZE vm_mbuf_size -#define VM_KMEM_SIZE vm_kmem_size -#define VM_PHYS_SIZE vm_phys_size +#ifndef VM_KMEM_SIZE +#define VM_KMEM_SIZE (12 * 1024 * 1024) +#endif + +/* + * How many physical pages per KVA page allocated. + * min(max(VM_KMEM_SIZE, Physical memory/VM_KMEM_SIZE_SCALE), VM_KMEM_SIZE_MAX) + * is the total KVA space allocated for kmem_map. + */ +#ifndef VM_KMEM_SIZE_SCALE +#define VM_KMEM_SIZE_SCALE (4) /* XXX 8192 byte pages */ +#endif + +/* initial pagein size of beginning of executable file */ +#ifndef VM_INITIAL_PAGEIN +#define VM_INITIAL_PAGEIN 16 #endif /* some Alpha-specific constants */ -#define VPTBASE ((vm_offset_t)0xfffffffc00000000) /* Virt. pg table */ +#define VPTBASE ((vm_offset_t)0xfffffffe00000000) /* Virt. pg table */ #endif /* !_ALPHA_VMPARAM_H */ |