From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: MSEC_TO_JIFFIES is messed up... Date: Wed, 12 May 2004 13:35:20 -0700 Sender: netdev-bounce@oss.sgi.com Message-ID: <20040512133520.44fbfd39.akpm@osdl.org> References: <20040512020700.6f6aa61f.akpm@osdl.org> <20040512181903.GG13421@kroah.com> <40A26FFA.4030701@pobox.com> <20040512193349.GA14936@elte.hu> <20040512200305.GA16078@elte.hu> <20040512132050.6eae6905.akpm@osdl.org> <40A28815.2020009@pobox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: mingo@elte.hu, davidel@xmailserver.org, greg@kroah.com, linux-kernel@vger.kernel.org, netdev@oss.sgi.com Return-path: To: Jeff Garzik In-Reply-To: <40A28815.2020009@pobox.com> Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org Jeff Garzik wrote: > > > How about we do: > > > > #if HZ=1000 > > #define MSEC_TO_JIFFIES(msec) (msec) > > #define JIFFIES_TO_MESC(jiffies) (jiffies) > > #elif HZ=100 > > #define MSEC_TO_JIFFIES(msec) (msec * 10) > > #define JIFFIES_TO_MESC(jiffies) (jiffies / 10) > > #else > > #define MSEC_TO_JIFFIES(msec) ((HZ * (msec) + 999) / 1000) > > #define JIFFIES_TO_MSEC(jiffies) ... > > #endif > > > > in some kernel-wide header then kill off all the private implementations? > > > include/linux/time.h. One of the SCTP people already did this, but I > suppose it's straightforward to reproduce. OK, I'll do it.