diff options
| -rw-r--r-- | sys/i386/conf/NOTES | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/i386/conf/NOTES b/sys/i386/conf/NOTES index e17f747..1a28d4a 100644 --- a/sys/i386/conf/NOTES +++ b/sys/i386/conf/NOTES @@ -1045,7 +1045,11 @@ options PMAP_SHPGPERPROC=201 # constraints in loader(8) on i386, this must be a multiple of 4. # 256 = 1 GB of kernel address space. Increasing this also causes # a reduction of the address space in user processes. 512 splits -# the 4GB cpu address space in half (2GB user, 2GB kernel). +# the 4GB cpu address space in half (2GB user, 2GB kernel). For PAE +# kernels, the value will need to be double non-PAE. A value of 1024 +# for PAE kernels is necessary to split the address space in half. +# This will likely need to be increased to handle memory sizes >4GB. +# PAE kernels default to a value of 512. # options KVA_PAGES=260 |
