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Date: Mon, 15 Feb 2010 11:07:12 +0100 From: Andi Kleen <andi@...stfloor.org> To: Nick Piggin <npiggin@...e.de> Cc: Andi Kleen <andi@...stfloor.org>, penberg@...helsinki.fi, linux-kernel@...r.kernel.org, linux-mm@...ck.org, haicheng.li@...el.com, rientjes@...gle.com Subject: Re: [PATCH] [1/4] SLAB: Handle node-not-up case in fallback_alloc() v2 > This is a better way to go anyway because it really is a proper > "fallback" alloc. I think that possibly used to work (ie. kmem_getpages > would be able to pass -1 for the node there) but got broken along the > line. Thanks for the review. I should add there's still one open problem: in some cases the oom killer kicks in on hotadd. Still working on that one. In general hotadd was mighty bitrotted :/ > > Although it's not such a hot path to begin with, care to put a branch > annotation there? pointer == NULL is already default unlikely in gcc /* Pointers are usually not NULL. */ DEF_PREDICTOR (PRED_POINTER, "pointer", HITRATE (85), 0) DEF_PREDICTOR (PRED_TREE_POINTER, "pointer (on trees)", HITRATE (85), 0) -Andi -- ak@...ux.intel.com -- Speaking for myself only. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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