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a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745406800; bh=fA+f5UwY4/94EsfucC8UNHh1rFGwKUGh2EpB+I1y004=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=KNaYzo/Y1hJLK99y9Ik0HJC+ABzoSS/XiSJFQSlgO+9qO+enerwNq4LALCmEnwhy8 Co8tNVVWkiFTEpZoW3EUE31ob8nczRas95qpZyo3oBT0UJ0nb6btLjk7DRn7FXxQbe F5VaGjtsf9mQoKruHPmXH3mjkc9tFQ/lxB92GRFfVkW7htLuXKhZuJuc/GKRzIQ6VP s2zN2IcfMVmWBR4qUaW/61daEtGeycH71JUHpSshm4AfSZG7v4HrXm7mMQoP3SZR3J wQPY3sbRA6/oNJtcrxAhvvlGelPMfjo4qBLa9rjqgabaXqX8Ht7pT0MwDB2zA4HsnW inALIxXeMAVNA== Date: Wed, 23 Apr 2025 14:13:11 +0300 From: Mike Rapoport To: David Woodhouse Cc: Andrew Morton , "Sauerwein, David" , Anshuman Khandual , Ard Biesheuvel , Catalin Marinas , David Hildenbrand , Marc Zyngier , Mark Rutland , Mike Rapoport , Will Deacon , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Ruihan Li Subject: Re: [PATCH v3 5/7] mm, x86: Use for_each_valid_pfn() from __ioremap_check_ram() Message-ID: References: <20250423081828.608422-1-dwmw2@infradead.org> <20250423081828.608422-6-dwmw2@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250423081828.608422-6-dwmw2@infradead.org> X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: E33F94000A X-Stat-Signature: wwfud86b6uryz1minxae6re9dpzgtd54 X-Rspam-User: X-HE-Tag: 1745406801-200734 X-HE-Meta: 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 QyoLljSC gAdYdb4+xDq7nY/69wT+GwbUtnRsQCKTwrydklhJNDtLnvO1ZXs9eDRSWTS+tkCy3K0i5eKSizG9sX2GMUk33lT4+IEcqVA++wrm5Rwi3ooRtMPd69mE1EsVxQdwF60POMRc5pleTnhIew/kc8R5E3nKGOJc6bb+rGsB9alKPTeYdPTY+/dCDgaZf5lIPptu4JXCbzIRVoiI3/mwu5SwYu5wjrUjXZsNoJRvr9u2EqNCYO8jZjU+NTqwAJX2qyNzDldhUL2uTdm4LWh/d9akaIFTWnz02Z1hvkj4w7umnEXidf0bkpUZ69Lbp+0CqsoDn4rDw5Yy3q9Q35ioi6tAkiErqGxPwJov6mV71 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 Wed, Apr 23, 2025 at 08:52:47AM +0100, David Woodhouse wrote: > From: David Woodhouse > > Instead of calling pfn_valid() separately for every single PFN in the > range, use for_each_valid_pfn() and only look at the ones which are. > > Signed-off-by: David Woodhouse Acked-by: Mike Rapoport (Microsoft) > --- > arch/x86/mm/ioremap.c | 7 +++---- > 1 file changed, 3 insertions(+), 4 deletions(-) -- Sincerely yours, Mike.