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Date: Fri, 15 Apr 2011 15:23:48 +0900 From: Minchan Kim <minchan.kim@...il.com> To: Namhyung Kim <namhyung@...il.com> Cc: Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v2] mempolicy: reduce references to the current On Fri, Apr 15, 2011 at 3:08 PM, Namhyung Kim <namhyung@...il.com> wrote: > Remove duplicated reference to the 'current' task using a local > variable. Since refering the current can be a burden, it'd better > cache the reference, IMHO. At least this saves some bytes on x86_64. > > $ size mempolicy-{old,new}.o > text data bss dec hex filename > 25203 2448 9176 36827 8fdb mempolicy-old.o > 25136 2448 9184 36768 8fa0 mempolicy-new.o > > Signed-off-by: Namhyung Kim <namhyung@...il.com> Reviewed-by: Minchan Kim <minchan.kim@...il.com> -- Kind regards, Minchan Kim -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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