![]() | |||||||||||||
Messages in this thread |
Linus Torvalds wrote: > At the very least, it would also need a > > BUG_ON(is_cow_mapping(vma->vm_flags)); > > (or at least make it return VM_FAULT_SIGBUS). Because a COW mapping _will_ > confuse the VM and cause it to do random bad things in vm_normal_page(). That leaves my use-case out for now. I will need COW for my mapping when switching to this interface. Looks like a lot of things need rethinking in memory.c for COW with no struct page behind. -- Carsten Otte IBM Linux technology center ARCH=s390 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
| Last update: 2006-04-11 15:29 [from the cache] ©2003-2008 | |||||||||||||