diff options
Diffstat (limited to 'sys/i386/include/pmap.h')
-rw-r--r-- | sys/i386/include/pmap.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/i386/include/pmap.h b/sys/i386/include/pmap.h index 6274ca7..3edec14 100644 --- a/sys/i386/include/pmap.h +++ b/sys/i386/include/pmap.h @@ -95,6 +95,8 @@ * Size of Kernel address space. This is the number of page table pages * (4MB each) to use for the kernel. 256 pages == 1 Gigabyte. * This **MUST** be a multiple of 4 (eg: 252, 256, 260, etc). + * For PAE, the page table page unit size is 2MB. This means that 512 pages + * is 1 Gigabyte. Double everything. It must be a multiple of 8 for PAE. */ #ifndef KVA_PAGES #ifdef PAE |