diff options
Diffstat (limited to 'vm/vm_map.c')
| -rw-r--r-- | vm/vm_map.c | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/vm/vm_map.c b/vm/vm_map.c index dc2388d7..7ea0b951 100644 --- a/vm/vm_map.c +++ b/vm/vm_map.c @@ -534,13 +534,17 @@ kern_return_t vm_map_find_entry(map, address, size, mask, object, o_entry) * wrap around the address. */ - if (((start + mask) & ~mask) < start) + if (((start + mask) & ~mask) < start) { + printf_once("no more room for vm_map_find_entry in %p\n", map); return(KERN_NO_SPACE); + } start = ((start + mask) & ~mask); end = start + size; - if ((end > map->max_offset) || (end < start)) + if ((end > map->max_offset) || (end < start)) { + printf_once("no more room for vm_map_find_entry in %p\n", map); return(KERN_NO_SPACE); + } /* * If there are no more entries, we must win. @@ -763,8 +767,10 @@ kern_return_t vm_map_enter( if (start < map->min_offset) start = map->min_offset; - if (start > map->max_offset) + if (start > map->max_offset) { + printf_once("no more room for vm_map_enter in %p\n", map); RETURN(KERN_NO_SPACE); + } /* * Look for the first possible address; @@ -797,8 +803,10 @@ kern_return_t vm_map_enter( * wrap around the address. */ - if (((start + mask) & ~mask) < start) + if (((start + mask) & ~mask) < start) { + printf_once("no more room for vm_map_enter in %p\n", map); RETURN(KERN_NO_SPACE); + } start = ((start + mask) & ~mask); end = start + size; @@ -813,6 +821,7 @@ kern_return_t vm_map_enter( } } + printf_once("no more room for vm_map_enter in %p\n", map); RETURN(KERN_NO_SPACE); } @@ -849,8 +858,10 @@ kern_return_t vm_map_enter( * the mask requirement. */ - if ((start & mask) != 0) + if ((start & mask) != 0) { + printf_once("no more room for vm_map_enter in %p\n", map); return(KERN_NO_SPACE); + } vm_map_lock(map); @@ -870,8 +881,10 @@ kern_return_t vm_map_enter( * ... the starting address isn't allocated */ - if (vm_map_lookup_entry(map, start, &temp_entry)) + if (vm_map_lookup_entry(map, start, &temp_entry)) { + printf_once("no more room for vm_map_enter in %p\n", map); RETURN(KERN_NO_SPACE); + } entry = temp_entry; @@ -881,8 +894,10 @@ kern_return_t vm_map_enter( */ if ((entry->vme_next != vm_map_to_entry(map)) && - (entry->vme_next->vme_start < end)) + (entry->vme_next->vme_start < end)) { + printf_once("no more room for vm_map_enter in %p\n", map); RETURN(KERN_NO_SPACE); + } } /* @@ -2486,6 +2501,7 @@ kern_return_t vm_map_copyout(dst_map, dst_addr, copy) } } vm_map_unlock(dst_map); + printf_once("no more room for vm_map_copyout in %p\n", dst_map); return(KERN_NO_SPACE); } @@ -2730,6 +2746,7 @@ StartAgain: } } vm_map_unlock(dst_map); + printf_once("no more room for vm_map_copyout_page_list in %p\n", dst_map); return(KERN_NO_SPACE); } |