Message ID | 20230103191551.3254778-6-kbusch@meta.com (mailing list archive) |
---|---|
State | New |
Headers | show
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Tue, 3 Jan 2023 11:16:15 -0800 Received: by devbig007.nao1.facebook.com (Postfix, from userid 544533) id 23FDEE1F5E12; Tue, 3 Jan 2023 11:15:55 -0800 (PST) From: Keith Busch <kbusch@meta.com> To: <linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>, Matthew Wilcox <willy@infradead.org>, Christoph Hellwig <hch@lst.de> CC: Tony Battersby <tonyb@cybernetics.com>, Kernel Team <kernel-team@meta.com>, Keith Busch <kbusch@kernel.org> Subject: [PATCHv3 05/12] dmapool: speedup DMAPOOL_DEBUG with init_on_alloc Date: Tue, 3 Jan 2023 11:15:44 -0800 Message-ID: <20230103191551.3254778-6-kbusch@meta.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230103191551.3254778-1-kbusch@meta.com> References: <20230103191551.3254778-1-kbusch@meta.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-ORIG-GUID: ZqSOv1Q81TB-Czqvdyo84AlgS4FV9t04 X-Proofpoint-GUID: ZqSOv1Q81TB-Czqvdyo84AlgS4FV9t04 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2023-01-03_07,2023-01-03_02,2022-06-22_01 X-Rspamd-Queue-Id: 2B8BC40008 X-Stat-Signature: ijzf3exugusy5xauximmszd3fdpkrwy4 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1672773376-512127 X-HE-Meta: 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 k3fbIQob TkOTEofl5yiGHDun4m81sevCzHxixNRI74tEMK0gIsXeSZsaEWT7HMyxXh2ezt5cd6jiJR93e4IqWIv9KFeXJQWm6k1sAWIKubRAFxIEeLfWMe4YZiklf8UOEa973OkbH8XzpSDyqgg89Jz7Az486fx6xlA== 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: <linux-mm.kvack.org> |
Series |
dmapool enhancements
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expand
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diff --git a/mm/dmapool.c b/mm/dmapool.c index ee993bb59fc27..eaed3ffb42aa8 100644 --- a/mm/dmapool.c +++ b/mm/dmapool.c @@ -356,7 +356,7 @@ void *dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags, break; } } - if (!(mem_flags & __GFP_ZERO)) + if (!want_init_on_alloc(mem_flags)) memset(retval, POOL_POISON_ALLOCATED, pool->size); #endif spin_unlock_irqrestore(&pool->lock, flags);