On Thu, 2 Aug 2007 07:24:46 +0200 Nick Piggin <[EMAIL PROTECTED]> wrote:
> Rather than sign direct radix-tree pointers with a special bit, sign > the indirect one that hangs off the root. This means that, given a > lookup_slot operation, the invalid result will be differentiated from > the valid (previously, valid results could have the bit either set or > clear). > > This does not affect slot lookups which occur under lock -- they > can never return an invalid result. Is needed in future for lockless > pagecache. so.. we added 30 bytes of text to radix-tree.o for no purpose? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
