diff options
| -rw-r--r-- | sys/arm/arm/pmap-v6.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sys/arm/arm/pmap-v6.c b/sys/arm/arm/pmap-v6.c index fb0247b..70f09b2 100644 --- a/sys/arm/arm/pmap-v6.c +++ b/sys/arm/arm/pmap-v6.c @@ -5021,6 +5021,20 @@ void pmap_align_superpage(vm_object_t object, vm_ooffset_t offset, vm_offset_t *addr, vm_size_t size) { + vm_offset_t superpage_offset; + + if (size < NBPDR) + return; + if (object != NULL && (object->flags & OBJ_COLORED) != 0) + offset += ptoa(object->pg_color); + superpage_offset = offset & PDRMASK; + if (size - ((NBPDR - superpage_offset) & PDRMASK) < NBPDR || + (*addr & PDRMASK) == superpage_offset) + return; + if ((*addr & PDRMASK) < superpage_offset) + *addr = (*addr & ~PDRMASK) + superpage_offset; + else + *addr = ((*addr + PDRMASK) & ~PDRMASK) + superpage_offset; } /* |
