Re: [patch 18/39] remap_file_pages protection support: add VM_FAULT_SIGSEGV

[Russell King]

On Mon, Aug 15, 2005 at 08:12:54PM +1000, Nick Piggin wrote:
> Well there is now, and that is we are now using a bit in the 2nd
> byte as flags. So I had to do away with -ve numbers there entirely.
> 
> You could achieve a similar thing by using another bit in that byte
> #define VM_FAULT_FAILED 0x20
> and make that bit present in VM_FAULT_OOM and VM_FAULT_SIGBUS, then
> do an unlikely test for that bit in your handler and branch away to
> the slow path.

That'll do as well, thanks.

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 Serial core
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