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Date: Thu, 13 Nov 2008 08:08:18 -0600 (CST) From: Christoph Lameter <cl@...ux-foundation.org> To: Eric Dumazet <dada1@...mosbay.com> cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>, David Miller <davem@...emloft.net>, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, Corey Minyard <minyard@....org>, Stephen Hemminger <shemminger@...tta.com>, benny+usenet@...rsen.dk, Linux Netdev List <netdev@...r.kernel.org>, Evgeniy Polyakov <zbr@...emap.net>, Christian Bell <christian@...i.com> Subject: Re: [PATCH 3/3] net: Convert TCP & DCCP hash tables to use RCU / hlist_nulls On Thu, 13 Nov 2008, Eric Dumazet wrote: > So yes, this bit should be documented, since SLAB_DESTROY_BY_RCU is > not really used in linux kernel at this moment. It is used for the anonymous vmas. That is the purpose that Hugh introduced it for since he saw regression if he would use straight rcu freeing. See mm/rmap.c. SLAB_DESTROY_BY_RCU a pretty strange way of using RCU and slab so it should always be documented in detail. -- 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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