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Received: from willy by casper.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1sEHDF-0000000ESNs-1TJy; Mon, 03 Jun 2024 23:35:37 +0000 Date: Tue, 4 Jun 2024 00:35:37 +0100 From: Matthew Wilcox To: Shubhang Kaushik OS Cc: "ampere-linux-kernel@lists.amperecomputing.com" , "cl@linux.com" , Andrew Morton , Uladzislau Rezki , Christoph Hellwig , Lorenzo Stoakes , "linux-mm@kvack.org" Subject: Re: [PATCH v2] vmalloc: Modify the alloc_vmap_area() error message for better diagnostics Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: C92AF1C0009 X-Stat-Signature: ofi1q7k8z88sh5jstqs6nowu4uxy7wzd X-Rspam-User: X-HE-Tag: 1717457744-311357 X-HE-Meta: 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 zMWoz2r9 V5SKRicuvLR3Yqs/mRLgb2+xL5gCMR92/wNhaB5r3iDX/+BPiA9KXVl0eyXk9bvxrW07K4MyHHGExtanyBBk5Mxtvn1CnftHsV6JwDvdRTCDFSbNduyJdAPa4qnPKeJwEKrFgIzlrPuU58RXshDFibTQUz0apBzcJRKNrEggTC1ufN39U7YJ0b7zDH3y9bTx1tfdzaSJeH+29HKXWFCwdXC5HoXej94/0N6oxkBN5R0K94MS1UbHfGWJXmg== 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: List-Subscribe: List-Unsubscribe: On Mon, Jun 03, 2024 at 09:30:54PM +0000, Shubhang Kaushik OS wrote: > 'vmap allocation for size %lu failed: use vmalloc= to increase size' > The above warning is seen in the kernel functionality for allocation of > the restricted virtual memory range till exhaustion. > > This message is misleading because 'vmalloc=' is not a valid kernel > parameter on a number of platforms, in particular it is not supported > on arm64. With the update, the output gets modified to include the function Why not fix arm64?