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Fri, 04 Oct 2019 04:51:01 -0700 (PDT) Received: from google.com ([2620:15c:2cd:202:668d:6035:b425:3a3a]) by smtp.gmail.com with ESMTPSA id u65sm6097605pfu.104.2019.10.04.04.50.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Oct 2019 04:50:59 -0700 (PDT) Date: Fri, 4 Oct 2019 04:50:57 -0700 From: Michel Lespinasse To: Davidlohr Bueso Cc: akpm@linux-foundation.org, peterz@infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, dri-devel@lists.freedesktop.org, linux-rdma@vger.kernel.org, Mike Marciniszyn , Dennis Dalessandro , Doug Ledford , Davidlohr Bueso Subject: Re: [PATCH 05/11] IB/hfi1: convert __mmu_int_rb to half closed intervals Message-ID: <20191004115057.GA2371@google.com> References: <20191003201858.11666-1-dave@stgolabs.net> <20191003201858.11666-6-dave@stgolabs.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191003201858.11666-6-dave@stgolabs.net> User-Agent: Mutt/1.10.1 (2018-07-13) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Oct 03, 2019 at 01:18:52PM -0700, Davidlohr Bueso wrote: > diff --git a/drivers/infiniband/hw/hfi1/mmu_rb.c b/drivers/infiniband/hw/hfi1/mmu_rb.c > index 14d2a90964c3..fb6382b2d44e 100644 > --- a/drivers/infiniband/hw/hfi1/mmu_rb.c > +++ b/drivers/infiniband/hw/hfi1/mmu_rb.c > @@ -47,7 +47,7 @@ > #include > #include > #include > -#include > +#include > > #include "mmu_rb.h" > #include "trace.h" > @@ -89,7 +89,7 @@ static unsigned long mmu_node_start(struct mmu_rb_node *node) > > static unsigned long mmu_node_last(struct mmu_rb_node *node) > { > - return PAGE_ALIGN(node->addr + node->len) - 1; > + return PAGE_ALIGN(node->addr + node->len); > } May as well rename the function mmu_node_end(). I was worried if it was used anywhere else, but it turned out it's only used when defining the interval tree. I would also suggest moving this function (as well as mmu_node_first) right before its use, rather than just after, which would allow you to also remove the function prototype a few lines earlier. Looks good to me otherwise. Reviewed-by: Michel Lespinasse -- Michel "Walken" Lespinasse A program is never fully debugged until the last user dies.