Messages in this thread | | | Date | Mon, 15 Aug 2005 11:15:48 +0100 | From | Russell King <> | Subject | Re: [patch 18/39] remap_file_pages protection support: add VM_FAULT_SIGSEGV |
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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/
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