diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/vm/vm_map.c | 23 |
1 files changed, 3 insertions, 20 deletions
diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c index b3c89ab..aec4c39 100644 --- a/sys/vm/vm_map.c +++ b/sys/vm/vm_map.c @@ -80,31 +80,14 @@ vm_map_create(vaddr_t va, paddr_t pa, vm_prot_t prot, size_t bytes) size_t granule = vm_get_page_size(); int s; - /* - * TODO: This needs to be changed, once vm_get_ctx() - * is no longer used, we'll need to fetch it from - * the current process! - */ struct vm_ctx *ctx = vm_get_ctx(); /* We want bytes to be aligned by the granule */ bytes = __ALIGN_UP(bytes, granule); - /* - * The VA and PA must be aligned by the granule as well. - * However, it is a terrible idea to do this ourselves - * as that could introduce very hard to find bugs... - * If one of them aren't aligned, the caller most likely - * screwed something up and silently continuing would be - * a terrible thing! The offset of the addresses should be 0, - * i.e., we should be at the very beginning of the page. - */ - if ((va & (granule - 1)) != 0) { - return -1; - } - if ((pa & (granule - 1)) != 0) { - return -1; - } + /* Align VA/PA by granule */ + va = __ALIGN_DOWN(va, granule); + pa = __ALIGN_DOWN(pa, granule); if (bytes == 0) { /* You can't map 0 pages, silly! */ |