diff options
Diffstat (limited to 'i386/intel/pmap.h')
| -rw-r--r-- | i386/intel/pmap.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/i386/intel/pmap.h b/i386/intel/pmap.h index e6a3ede8..ee600cd5 100644 --- a/i386/intel/pmap.h +++ b/i386/intel/pmap.h @@ -89,11 +89,14 @@ typedef phys_addr_t pt_entry_t; /* * Convert linear offset to page descriptor index */ +#define lin2pdenum(a) (((a) >> PDESHIFT) & PDEMASK) + #if PAE -/* Making it include the page directory pointer table index too */ -#define lin2pdenum(a) (((a) >> PDESHIFT) & 0x7ff) +/* Special version assuming contiguous page directories. Making it + include the page directory pointer table index too. */ +#define lin2pdenum_cont(a) (((a) >> PDESHIFT) & 0x7ff) #else -#define lin2pdenum(a) (((a) >> PDESHIFT) & PDEMASK) +#define lin2pdenum_cont(a) lin2pdenum(a) #endif /* @@ -159,10 +162,11 @@ typedef volatile long cpu_set; /* set of CPUs - must be <= 32 */ /* changed by other processors */ struct pmap { +#if ! PAE pt_entry_t *dirbase; /* page directory table */ -#if PAE +#else pt_entry_t *pdpbase; /* page directory pointer table */ -#endif /* PAE */ +#endif /* ! PAE */ int ref_count; /* reference count */ decl_simple_lock_data(,lock) /* lock on map */ |