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Date: Fri, 3 Aug 2012 15:23:39 -0700 From: Tejun Heo <tj@...nel.org> To: Sasha Levin <levinsasha928@...il.com> Cc: torvalds@...ux-foundation.org, akpm@...ux-foundation.org, linux-kernel@...r.kernel.org, linux-mm@...ck.org, paul.gortmaker@...driver.com, davem@...emloft.net, rostedt@...dmis.org, mingo@...e.hu, ebiederm@...ssion.com, aarcange@...hat.com, ericvh@...il.com, netdev@...r.kernel.org Subject: Re: [RFC v2 1/7] hashtable: introduce a small and naive hashtable Hello, On Sat, Aug 04, 2012 at 12:20:02AM +0200, Sasha Levin wrote: > On 08/03/2012 11:48 PM, Tejun Heo wrote: > > On Fri, Aug 03, 2012 at 11:41:34PM +0200, Sasha Levin wrote: > >> I forgot to comment on that one, sorry. > >> > >> If we put hash entries after struct hash_table we don't take the > >> bits field size into account, or did I miss something? > > > > So, if you do the following, > > > > struct { > > struct { > > int i; > > long ar[]; > > } B; > > long __ar_storage[32]; > > } A; > > struct A should have been an union, right? I actually meant an enclosing struct. When you're defining a struct member, simply putting the storage after a struct with var array should be good enough. If that doesn't work, quite a few things in the kernel will break. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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