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Date: Thu, 13 Mar 2008 00:53:22 +0100 From: Roman Zippel <zippel@...ux-m68k.org> To: Jonathan Lim <jlim@....com> Cc: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org, randy.dunlap@...cle.com Subject: Re: [PATCH] Provide u64 version of jiffies_to_usecs() in kernel/tsacct.c Hi, On Monday 25. February 2008, Jonathan Lim wrote: > +u64 jiffies_64_to_usecs(const u64 j) > +{ > + return div64_64(j*HZ_TO_USEC_NUM + HZ_TO_USEC_DEN-1, HZ_TO_USEC_DEN); > +} > +EXPORT_SYMBOL(jiffies_64_to_usecs); Please also adapt the "BITS_PER_LONG == 32" part from jiffies_to_usecs(), it should provide enough resolution to avoid the div64_64() here. bye, Roman -- 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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