lkml.org 
[lkml]   [2005]   [Aug]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patch 18/39] remap_file_pages protection support: add VM_FAULT_SIGSEGV
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
-
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: 2005-08-15 12:18    [W:0.050 / U:3.296 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site