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Date: Mon, 29 Nov 2010 00:01:47 +0100 From: Andi Kleen <andi@...stfloor.org> To: Eric Dumazet <eric.dumazet@...il.com> Cc: Andi Kleen <andi@...stfloor.org>, Andrew Morton <akpm@...ux-foundation.org>, linux-kernel <linux-kernel@...r.kernel.org>, netdev <netdev@...r.kernel.org>, David Miller <davem@...emloft.net>, Tejun Heo <tj@...nel.org>, Rusty Russell <rusty@...tcorp.com.au> Subject: Re: [PATCH] kthread: NUMA aware kthread_create_on_cpu() On Sun, Nov 28, 2010 at 11:51:51PM +0100, Eric Dumazet wrote: > > Also this messes up the policy of the caller process. You really > > need to save/restore it. > > Well, caller process duty is to create kthreads in a loop. In this case any other allocations it may do are still on those nodes. > > Problem is that this ends up in architecture specific code > > for the stack, so may be a larger patch. > > I suggest arches that need slab to allocate kthread stacks do the > appropriate changes, because I am not able to make them myself. > > On x86, we use page allocator only, so NUMA mempolicy is used. task_struct is always allocated from slab. -Andi -- ak@...ux.intel.com -- Speaking for myself only. -- 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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