linux-kernel - Re: [v5,1/6] powerpc/mm/slice: Remove intermediate bitmap copy

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Date:   Wed,  7 Mar 2018 00:31:16 +1100 (AEDT)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Christophe Leroy <christophe.leroy@....fr>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Scott Wood <oss@...error.net>, aneesh.kumar@...ux.vnet.ibm.com
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        Nicholas Piggin <npiggin@...il.com>
Subject: Re: [v5,1/6] powerpc/mm/slice: Remove intermediate bitmap copy

On Thu, 2018-02-22 at 14:27:20 UTC, Christophe Leroy wrote:
> bitmap_or() and bitmap_andnot() can work properly with dst identical
> to src1 or src2. There is no need of an intermediate result bitmap
> that is copied back to dst in a second step.
> 
> Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
> Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@...ux.vnet.ibm.com>
> Reviewed-by: Nicholas Piggin <npiggin@...il.com>

Series applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/326691ad4f179e6edc7eb1271e618d

cheers