From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [PATCH] Move an assert under DEBUG_KERNEL. Date: Thu, 6 Jan 2011 15:41:20 -0800 Message-ID: <20110106154120.b69118c9.akpm@linux-foundation.org> References: <4D2579B2.7060704@parallels.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4D2579B2.7060704@parallels.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Rob Landley Cc: trivial@kernel.org, linux-kernel@vger.kernel.org, linux-embedded@vger.kernel.org On Thu, 6 Jan 2011 02:13:38 -0600 Rob Landley wrote: > From: Rob Landley > > Move an assert under DEBUG_KERNEL. > > Signed-off-by: Rob Landley > --- > > Saves about 3k from x86-64 defconfig according to scripts/bloat-o-meter. > > include/linux/rtnetlink.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h > index bbad657..28c4025 100644 > --- a/include/linux/rtnetlink.h > +++ b/include/linux/rtnetlink.h > @@ -782,6 +782,7 @@ extern struct netdev_queue > *dev_ingress_queue_create(struct net_device *dev); > extern void rtnetlink_init(void); > extern void __rtnl_unlock(void); > > +#ifdef CONFIG_DEBUG_KERNEL > #define ASSERT_RTNL() do { \ > if (unlikely(!rtnl_is_locked())) { \ > printk(KERN_ERR "RTNL: assertion failed at %s (%d)\n", \ > @@ -789,6 +790,9 @@ extern void __rtnl_unlock(void); > dump_stack(); \ > } \ > } while(0) > +#else > +#define ASSERT_RTNL() > +#endif > > static inline u32 rtm_get_table(struct rtattr **rta, u8 table) > { Probably a worthwhile thing to do, IMO. If there's some net-specific CONFIG_DEBUG_ setting then that wold be a better thing to use. However the patch was a) wordwrapped, b) space-stuffed and c) not cc'ed to the networking list. So its prospects are dim.