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Messages in this thread |
Christoph Lameter a écrit : > Disguising costs a few cycles in the hot paths. So switch it off if > we are not debuggin. > > Signed-off-by: Christoph Lameter <clameter@sgi.com> > > --- > include/linux/percpu.h | 4 ++++ > 1 file changed, 4 insertions(+) > > Index: linux-2.6/include/linux/percpu.h > =================================================================== > --- linux-2.6.orig/include/linux/percpu.h 2007-10-31 16:40:14.892121256 -0700 > +++ linux-2.6/include/linux/percpu.h 2007-10-31 16:41:00.907621059 -0700 > @@ -33,7 +33,11 @@ > > #ifdef CONFIG_SMP > > +#ifdef CONFIG_DEBUG_VM > #define __percpu_disguise(pdata) ((void *)~(unsigned long)(pdata)) > +#else > +#define __percpu_disguide(pdata) ((void *)(pdata)) > +#endif Yes good idea, but a litle typo here :) - 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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