From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A23321FE46D for ; Sat, 18 Oct 2025 17:59:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760810386; cv=none; b=mCK2Q5LbnCRWPYyOw8a3ebGqMSHG7cKNk3j+eZxopXmsrOvntwFuwyhj7gme9giCYOjc1l6N5Rik9CfWnhJ7XYue+6ZYl0v76erClDLuyW5zY9MeXb6ESOpNcnvwL5sEMVKh01Rb1+jUfIkgEEzifwAsPfvKxw3gjsIM3vX/MDY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760810386; c=relaxed/simple; bh=BbV03NsBXX5OJ9htFnHtVePUGG3rfU9XY/re9DAiuaA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Js/rTvCY+b6wYGkPpqiSmN8hgxLWfdxOzTEnv7JN5hErZeS0/M0XMQtNarx+DUY1fGgPy/eGdVeq5bpHjSKEYFMNHzDfyEeKT+5jt5dneOrIOXIA43KgbFe3DSPMRyU9Qku9WIEmkq19I0oPVnjw2RFe4YkqyAb3uo+hycqUHpk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hFaK/fFu; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="hFaK/fFu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5D4A7C4CEF8; Sat, 18 Oct 2025 17:59:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760810386; bh=BbV03NsBXX5OJ9htFnHtVePUGG3rfU9XY/re9DAiuaA=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=hFaK/fFu1J6TjJFYjVfXaPI0hOPdiGti95Nbs4owUH3M4QRMw4F6+z431BPZZXI0Z KYsmhheTcaM4UL/e3Nirgobp7h6OWLCAbtpU8nuqD+siA1PohVt3r2nu0iNJ05vzHJ HwceSOpePInSDjNKbQa/gJ4xGzjXTV88r4LpgO2nRWgQgSIGkbRAnVHR7UP+37C2pb RNF2vWXjLLWkoTKYvZRasHSH0pcnt4sWSKWz9ugqh8TfR5078VCRWezFOBtv+ERomV IJDyelyvwleqtkTU2QeJNVJbTtDHnAL1nRVioT+QCU5Lodei/HV5v7oeWvQ9YdBkoA waQa8GDeViieA== Message-ID: Date: Sat, 18 Oct 2025 19:59:38 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/3] mm, vc_screen: move __free() handler that frees a page to a common header To: Mike Rapoport , Andrew Morton Cc: Brendan Jackman , David Hildenbrand , Greg Kroah-Hartman , Johannes Weiner , Julia Lawall , "Liam R. Howlett" , Lorenzo Stoakes , Michal Hocko , Suren Baghdasaryan , Vlastimil Babka , Zi Yan , linux-kernel@vger.kernel.org, linux-mm@kvack.org References: <20251018093002.3660549-1-rppt@kernel.org> <20251018093002.3660549-2-rppt@kernel.org> Content-Language: en-US From: Jiri Slaby Autocrypt: addr=jirislaby@kernel.org; keydata= xsFNBE6S54YBEACzzjLwDUbU5elY4GTg/NdotjA0jyyJtYI86wdKraekbNE0bC4zV+ryvH4j rrcDwGs6tFVrAHvdHeIdI07s1iIx5R/ndcHwt4fvI8CL5PzPmn5J+h0WERR5rFprRh6axhOk rSD5CwQl19fm4AJCS6A9GJtOoiLpWn2/IbogPc71jQVrupZYYx51rAaHZ0D2KYK/uhfc6neJ i0WqPlbtIlIrpvWxckucNu6ZwXjFY0f3qIRg3Vqh5QxPkojGsq9tXVFVLEkSVz6FoqCHrUTx wr+aw6qqQVgvT/McQtsI0S66uIkQjzPUrgAEtWUv76rM4ekqL9stHyvTGw0Fjsualwb0Gwdx ReTZzMgheAyoy/umIOKrSEpWouVoBt5FFSZUyjuDdlPPYyPav+hpI6ggmCTld3u2hyiHji2H cDpcLM2LMhlHBipu80s9anNeZhCANDhbC5E+NZmuwgzHBcan8WC7xsPXPaiZSIm7TKaVoOcL 9tE5aN3jQmIlrT7ZUX52Ff/hSdx/JKDP3YMNtt4B0cH6ejIjtqTd+Ge8sSttsnNM0CQUkXps w98jwz+Lxw/bKMr3NSnnFpUZaxwji3BC9vYyxKMAwNelBCHEgS/OAa3EJoTfuYOK6wT6nadm YqYjwYbZE5V/SwzMbpWu7Jwlvuwyfo5mh7w5iMfnZE+vHFwp/wARAQABzSFKaXJpIFNsYWJ5 IDxqaXJpc2xhYnlAa2VybmVsLm9yZz7CwXcEEwEIACEFAlW3RUwCGwMFCwkIBwIGFQgJCgsC BBYCAwECHgECF4AACgkQvSWxBAa0cEnVTg//TQpdIAr8Tn0VAeUjdVIH9XCFw+cPSU+zMSCH eCZoA/N6gitEcnvHoFVVM7b3hK2HgoFUNbmYC0RdcSc80pOF5gCnACSP9XWHGWzeKCARRcQR 4s5YD8I4VV5hqXcKo2DFAtIOVbHDW+0okOzcecdasCakUTr7s2fXz97uuoc2gIBB7bmHUGAH XQXHvdnCLjDjR+eJN+zrtbqZKYSfj89s/ZHn5Slug6w8qOPT1sVNGG+eWPlc5s7XYhT9z66E l5C0rG35JE4PhC+tl7BaE5IwjJlBMHf/cMJxNHAYoQ1hWQCKOfMDQ6bsEr++kGUCbHkrEFwD UVA72iLnnnlZCMevwE4hc0zVhseWhPc/KMYObU1sDGqaCesRLkE3tiE7X2cikmj/qH0CoMWe gjnwnQ2qVJcaPSzJ4QITvchEQ+tbuVAyvn9H+9MkdT7b7b2OaqYsUP8rn/2k1Td5zknUz7iF oJ0Z9wPTl6tDfF8phaMIPISYrhceVOIoL+rWfaikhBulZTIT5ihieY9nQOw6vhOfWkYvv0Dl o4GRnb2ybPQpfEs7WtetOsUgiUbfljTgILFw3CsPW8JESOGQc0Pv8ieznIighqPPFz9g+zSu Ss/rpcsqag5n9rQp/H3WW5zKUpeYcKGaPDp/vSUovMcjp8USIhzBBrmI7UWAtuedG9prjqfO wU0ETpLnhgEQAM+cDWLL+Wvc9cLhA2OXZ/gMmu7NbYKjfth1UyOuBd5emIO+d4RfFM02XFTI t4MxwhAryhsKQQcA4iQNldkbyeviYrPKWjLTjRXT5cD2lpWzr+Jx7mX7InV5JOz1Qq+P+nJW YIBjUKhI03ux89p58CYil24Zpyn2F5cX7U+inY8lJIBwLPBnc9Z0An/DVnUOD+0wIcYVnZAK DiIXODkGqTg3fhZwbbi+KAhtHPFM2fGw2VTUf62IHzV+eBSnamzPOBc1XsJYKRo3FHNeLuS8 f4wUe7bWb9O66PPFK/RkeqNX6akkFBf9VfrZ1rTEKAyJ2uqf1EI1olYnENk4+00IBa+BavGQ 8UW9dGW3nbPrfuOV5UUvbnsSQwj67pSdrBQqilr5N/5H9z7VCDQ0dhuJNtvDSlTf2iUFBqgk 3smln31PUYiVPrMP0V4ja0i9qtO/TB01rTfTyXTRtqz53qO5dGsYiliJO5aUmh8swVpotgK4 /57h3zGsaXO9PGgnnAdqeKVITaFTLY1ISg+Ptb4KoliiOjrBMmQUSJVtkUXMrCMCeuPDGHo7 39Xc75lcHlGuM3yEB//htKjyprbLeLf1y4xPyTeeF5zg/0ztRZNKZicgEmxyUNBHHnBKHQxz 1j+mzH0HjZZtXjGu2KLJ18G07q0fpz2ZPk2D53Ww39VNI/J9ABEBAAHCwV8EGAECAAkFAk6S 54YCGwwACgkQvSWxBAa0cEk3tRAAgO+DFpbyIa4RlnfpcW17AfnpZi9VR5+zr496n2jH/1ld wRO/S+QNSA8qdABqMb9WI4BNaoANgcg0AS429Mq0taaWKkAjkkGAT7mD1Q5PiLr06Y/+Kzdr 90eUVneqM2TUQQbK+Kh7JwmGVrRGNqQrDk+gRNvKnGwFNeTkTKtJ0P8jYd7P1gZb9Fwj9YLx jhn/sVIhNmEBLBoI7PL+9fbILqJPHgAwW35rpnq4f/EYTykbk1sa13Tav6btJ+4QOgbcezWI wZ5w/JVfEJW9JXp3BFAVzRQ5nVrrLDAJZ8Y5ioWcm99JtSIIxXxt9FJaGc1Bgsi5K/+dyTKL wLMJgiBzbVx8G+fCJJ9YtlNOPWhbKPlrQ8+AY52Aagi9WNhe6XfJdh5g6ptiOILm330mkR4g W6nEgZVyIyTq3ekOuruftWL99qpP5zi+eNrMmLRQx9iecDNgFr342R9bTDlb1TLuRb+/tJ98 f/bIWIr0cqQmqQ33FgRhrG1+Xml6UXyJ2jExmlO8JljuOGeXYh6ZkIEyzqzffzBLXZCujlYQ DFXpyMNVJ2ZwPmX2mWEoYuaBU0JN7wM+/zWgOf2zRwhEuD3A2cO2PxoiIfyUEfB9SSmffaK/ S4xXoB6wvGENZ85Hg37C7WDNdaAt6Xh2uQIly5grkgvWppkNy4ZHxE+jeNsU7tg= In-Reply-To: <20251018093002.3660549-2-rppt@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 18. 10. 25, 11:30, Mike Rapoport wrote: > From: "Mike Rapoport (Microsoft)" > > vc_screen defines __free() handler that frees a page using free_page(). > Move that definition to include/linux/gfp.h next to free_page() and > rename it from free_page_ptr to free_page. > > Signed-off-by: Mike Rapoport (Microsoft) > --- > drivers/tty/vt/vc_screen.c | 6 ++---- > include/linux/gfp.h | 2 ++ > 2 files changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/tty/vt/vc_screen.c b/drivers/tty/vt/vc_screen.c > index c814644ef4ee..d2029f029de6 100644 > --- a/drivers/tty/vt/vc_screen.c > +++ b/drivers/tty/vt/vc_screen.c > @@ -53,8 +53,6 @@ > #define HEADER_SIZE 4u > #define CON_BUF_SIZE (IS_ENABLED(CONFIG_BASE_SMALL) ? 256 : PAGE_SIZE) > > -DEFINE_FREE(free_page_ptr, void *, if (_T) free_page((unsigned long)_T)); > - > /* > * Our minor space: > * > @@ -371,7 +369,7 @@ vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) > loff_t pos; > bool viewed, attr, uni_mode; > > - char *con_buf __free(free_page_ptr) = (char *)__get_free_page(GFP_KERNEL); > + char *con_buf __free(free_page) = (char *)__get_free_page(GFP_KERNEL); > if (!con_buf) > return -ENOMEM; > > @@ -596,7 +594,7 @@ vcs_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) > if (use_unicode(inode)) > return -EOPNOTSUPP; > > - char *con_buf __free(free_page_ptr) = (char *)__get_free_page(GFP_KERNEL); > + char *con_buf __free(free_page) = (char *)__get_free_page(GFP_KERNEL); > if (!con_buf) > return -ENOMEM; > > diff --git a/include/linux/gfp.h b/include/linux/gfp.h > index f46b066c7661..ee3f27046667 100644 > --- a/include/linux/gfp.h > +++ b/include/linux/gfp.h > @@ -385,6 +385,8 @@ extern void free_pages(unsigned long addr, unsigned int order); > #define __free_page(page) __free_pages((page), 0) > #define free_page(addr) free_pages((addr), 0) > > +DEFINE_FREE(free_page, unsigned long, if (!IS_ERR_OR_NULL(_T)) free_page(_T)); This IMO breaks the build at this point, right? Makes sense after 3/3, though. -- js suse labs