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Date: Fri, 01 Nov 2013 15:01:49 -0400 From: KOSAKI Motohiro <kosaki.motohiro@...il.com> To: Yuanhan Liu <yuanhan.liu@...ux.intel.com>, linux-kernel@...r.kernel.org CC: kosaki.motohiro@...il.com, Ingo Molnar <mingo@...nel.org>, Linus Torvalds <torvalds@...ux-foundation.org>, Andrew Morton <akpm@...ux-foundation.org>, Rik van Riel <riel@...hat.com>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Michel Lespinasse <walken@...gle.com> Subject: Re: [PATCH 0/4] per anon_vma lock and turn anon_vma rwsem lock to rwlock_t (11/1/13 3:54 AM), Yuanhan Liu wrote: > Patch 1 turns locking the anon_vma's root to locking itself to let it be > a per anon_vma lock, which would reduce contentions. > > In the same time, lock range becomes quite small then, which is bascially > a call of anon_vma_interval_tree_insert(). Patch 2 turn rwsem to rwlock_t. > It's a patch made from Ingo, I just made some change to let it apply based on > patch 1. > > Patch 3 is from Peter. It was a diff, I edited it to be a patch ;) > > Here is the detailed changed stats with this patch applied. The test base is v3.12-rc7, > and 1c00bef768d4341afa7d is patch 1, e3e37183ee805f33e88f is patch 2. > > NOTE: both commits are compared to base v3.12-rc7. I'd suggest you CCing linux-mm when posting mm patches. -- 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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