diff options
Diffstat (limited to 'sys/mips')
| -rw-r--r-- | sys/mips/include/vmparam.h | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/sys/mips/include/vmparam.h b/sys/mips/include/vmparam.h index 8922924..3f946fb 100644 --- a/sys/mips/include/vmparam.h +++ b/sys/mips/include/vmparam.h @@ -160,13 +160,11 @@ #define VM_FREEPOOL_DIRECT 1 /* - * we support 2 free lists: - * - * - DEFAULT for direct mapped (KSEG0) pages. - * Note: This usage of DEFAULT may be misleading because we use - * DEFAULT for allocating direct mapped pages. The normal page - * allocations use HIGHMEM if available, and then DEFAULT. - * - HIGHMEM for other pages + * Create up to two free lists on !__mips_n64: VM_FREELIST_DEFAULT is for + * physical pages that are above the largest physical address that is + * accessible through the direct map (KSEG0) and VM_FREELIST_LOWMEM is for + * physical pages that are below that address. VM_LOWMEM_BOUNDARY is the + * physical address for the end of the direct map (KSEG0). */ #ifdef __mips_n64 #define VM_NFREELIST 1 @@ -174,10 +172,10 @@ #define VM_FREELIST_DIRECT VM_FREELIST_DEFAULT #else #define VM_NFREELIST 2 -#define VM_FREELIST_DEFAULT 1 -#define VM_FREELIST_HIGHMEM 0 -#define VM_FREELIST_DIRECT VM_FREELIST_DEFAULT -#define VM_HIGHMEM_ADDRESS ((vm_paddr_t)0x20000000) +#define VM_FREELIST_DEFAULT 0 +#define VM_FREELIST_LOWMEM 1 +#define VM_FREELIST_DIRECT VM_FREELIST_LOWMEM +#define VM_LOWMEM_BOUNDARY ((vm_paddr_t)0x20000000) #endif /* |
