| /kernel/trunk/generic/src/mm/as.c |
|---|
| 137,6 → 137,9 |
| if (base % PAGE_SIZE) |
| return NULL; |
| if (!size) |
| return NULL; |
| /* Writeable executable areas are not supported. */ |
| if ((flags & AS_AREA_EXEC) && (flags & AS_AREA_WRITE)) |
| return NULL; |
| 461,6 → 464,16 |
| } |
| pages = SIZE2FRAMES((address - area->base) + size); |
| if (!pages) { |
| /* |
| * Zero size address space areas are not allowed. |
| */ |
| spinlock_unlock(&area->lock); |
| spinlock_unlock(&as->lock); |
| interrupts_restore(ipl); |
| return (__address) -1; |
| } |
| if (pages < area->pages) { |
| int i; |