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[76.210.143.223]) by smtp.gmail.com with ESMTPSA id x8sm471221pje.52.2021.06.08.17.12.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Jun 2021 17:12:42 -0700 (PDT) Date: Tue, 08 Jun 2021 17:12:42 -0700 (PDT) X-Google-Original-Date: Tue, 08 Jun 2021 17:12:38 PDT (-0700) Subject: Re: [PATCH] riscv: mm: Use better bitmap_zalloc() In-Reply-To: <20210529111534.186534-1-wangkefeng.wang@huawei.com> CC: linux-riscv@lists.infradead.org, wangkefeng.wang@huawei.com, Paul Walmsley From: Palmer Dabbelt To: wangkefeng.wang@huawei.com Message-ID: Mime-Version: 1.0 (MHng) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210608_171247_902741_CD21542C X-CRM114-Status: GOOD ( 16.21 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Sat, 29 May 2021 04:15:34 PDT (-0700), wangkefeng.wang@huawei.com wrote: > Use better bitmap_zalloc() to allocate bitmap. > > Cc: Palmer Dabbelt > Cc: Paul Walmsley > Cc: Palmer Dabbelt > Cc: linux-riscv@lists.infradead.org > Signed-off-by: Kefeng Wang > --- > arch/riscv/mm/context.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/arch/riscv/mm/context.c b/arch/riscv/mm/context.c > index 83e7ae37675a..2aba0a6343d9 100644 > --- a/arch/riscv/mm/context.c > +++ b/arch/riscv/mm/context.c > @@ -243,8 +243,7 @@ static int asids_init(void) > if (num_asids > (2 * num_possible_cpus())) { > atomic_long_set(¤t_version, num_asids); > > - context_asid_map = kcalloc(BITS_TO_LONGS(num_asids), > - sizeof(*context_asid_map), GFP_KERNEL); > + context_asid_map = bitmap_zalloc(num_asids, GFP_KERNEL); > if (!context_asid_map) > panic("Failed to allocate bitmap for %lu ASIDs\n", > num_asids); Thanks, this is on for-next. _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv