diff options
Diffstat (limited to 'usr/src/uts/i86pc/vm')
| -rw-r--r-- | usr/src/uts/i86pc/vm/seg_vmm.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/usr/src/uts/i86pc/vm/seg_vmm.c b/usr/src/uts/i86pc/vm/seg_vmm.c index faebf9ac36..beb5e81d53 100644 --- a/usr/src/uts/i86pc/vm/seg_vmm.c +++ b/usr/src/uts/i86pc/vm/seg_vmm.c @@ -14,12 +14,15 @@ */ /* - * VM - Virtual-Machine-Memory segment + * segvmm - Virtual-Machine-Memory segment * * The vmm segment driver was designed for mapping regions of kernel memory * allocated to an HVM instance into userspace for manipulation there. It * draws direct lineage from the umap segment driver, but meant for larger * mappings with fewer restrictions. + * + * seg*k*vmm, in contrast, has mappings for every VMM into kas. We use its + * mappings here only to find the relevant PFNs in segvmm_fault_in(). */ @@ -93,7 +96,7 @@ static struct seg_ops segvmm_ops = { /* - * Create a kernel/user-mapped segment. + * Create a kernel/user-mapped segment. ->kaddr is the segkvmm mapping. */ int segvmm_create(struct seg **segpp, void *argsp) |