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Re: kern/50985: uvm_mmap.c::range_test should use runtime limits of the vmspace?
The following reply was made to PR kern/50985; it has been noted by GNATS.
From: Martin Husemann <martin%duskware.de@localhost>
To: matthew green <mrg%eterna.com.au@localhost>
Subject: Re: kern/50985: uvm_mmap.c::range_test should use runtime limits of the vmspace?
Date: Mon, 21 Mar 2016 22:13:34 +0100
On Tue, Mar 22, 2016 at 07:48:56AM +1100, matthew green wrote:
> > - vaddr_t vm_min_address = VM_MIN_ADDRESS;
> > - vaddr_t vm_max_address = VM_MAXUSER_ADDRESS;
> > + vaddr_t vm_min_address = vm_map_min(map);
> > + vaddr_t vm_max_address = vm_map_max(map);
> the max address now is in the kernel space on some platforms, i think.
It comes from exec paccks ep_vm_maxaddr, which usually is VM_MAXUSER_ADDRESS,
We can min()/max() it with VM_MAXUSER_ADDRESS/VM_MIN_ADDRESS though, or
KASSERT that the limit is within the static limit.
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