From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 7BEB339EB47; Wed, 17 Jun 2026 09:41:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781689296; cv=none; b=RFfQggAwM31ZOAHO7KTIK13bt9HEBLAzZcaE7CCvH3vNH8oprDjs6sWEqhPfQYG2nlunwfSdZyjn5jncollivvA9+/FZG0yl3ACpxIOHiL8aT35QsBkVANUK7ica0La73CfQRL/F6q1emCD8InDGebOUc9u+qWoCOB9ijHpEXhg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781689296; c=relaxed/simple; bh=EhVnlaeWy51i332FkkRSnATGu/gcTTZDhA4Pju0BgpY=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Ag6RzbnoU44VonATXzkzU/i18gugiW/Z1FWtNlfeauiUHV4k9P9gW6TLA9Ux3dHIRW2HB1336B2Hvv3JieeLYX+H4sgBdGLUx+8ELOHvdzvdCIezhLlxrG2zbTEnbNT0sQ4+bepo3wRELXv1C0dxChtSVZYnOw6wW0z99g3w3QM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PLoQt4z7; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PLoQt4z7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4BD4F1F000E9; Wed, 17 Jun 2026 09:41:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781689295; bh=EhVnlaeWy51i332FkkRSnATGu/gcTTZDhA4Pju0BgpY=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=PLoQt4z72cDxJHgYQ0yqHHgNPRO+zqtWA+o3dYvlIDiHzKxz8ciYXxJ8fKjyVbfns VVS5cMC3hM5cLM02sTcXPTAwQMWL+zgUG7oxDsT6v9sVZFs53d+Exl/pibM5+96jZ/ bP4cR5Mr6uD1diNymHyW6Mc//IvG5OSRVOUrc02J5S6hiYp1shvGLVjtGCVnMixMyl 6l8E3ZuIaBM0LIOF5E9xIt1G8KOCTS0kA1rDFHcUCWzC1cB6AwHapfg4aRd8JIypld nUlLpC/VxojHdhDtyORQb/Hy86jQsUxCFATqCkYAj/mxD1+TRFujIFpK6PPGIRFKS+ N4GNUb6sNBzVQ== Message-ID: <1d316e8a-ef76-4648-8b89-387abcc5aa9b@kernel.org> Date: Wed, 17 Jun 2026 18:41:26 +0900 Precedence: bulk X-Mailing-List: cgroups@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 12/15] mm/slab: allow __GFP_NOMEMALLOC and __GFP_NOWARN for kmalloc_nolock() To: "Vlastimil Babka (SUSE)" Cc: Hao Li , Christoph Lameter , David Rientjes , Roman Gushchin , Suren Baghdasaryan , Alexei Starovoitov , Andrew Morton , Johannes Weiner , Michal Hocko , Shakeel Butt , Alexander Potapenko , Marco Elver , Dmitry Vyukov , kasan-dev@googlegroups.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org References: <20260615-slab_alloc_flags-v3-0-ce1146d140fb@kernel.org> <20260615-slab_alloc_flags-v3-12-ce1146d140fb@kernel.org> Content-Language: en-US From: Harry Yoo In-Reply-To: <20260615-slab_alloc_flags-v3-12-ce1146d140fb@kernel.org> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------peA90eEEkmps0M3XHjD0gcDF" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------peA90eEEkmps0M3XHjD0gcDF Content-Type: multipart/mixed; boundary="------------q0l0JaIkWSVOLvsG2IexwP2d"; protected-headers="v1" From: Harry Yoo To: "Vlastimil Babka (SUSE)" Cc: Hao Li , Christoph Lameter , David Rientjes , Roman Gushchin , Suren Baghdasaryan , Alexei Starovoitov , Andrew Morton , Johannes Weiner , Michal Hocko , Shakeel Butt , Alexander Potapenko , Marco Elver , Dmitry Vyukov , kasan-dev@googlegroups.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org Message-ID: <1d316e8a-ef76-4648-8b89-387abcc5aa9b@kernel.org> Subject: Re: [PATCH v3 12/15] mm/slab: allow __GFP_NOMEMALLOC and __GFP_NOWARN for kmalloc_nolock() References: <20260615-slab_alloc_flags-v3-0-ce1146d140fb@kernel.org> <20260615-slab_alloc_flags-v3-12-ce1146d140fb@kernel.org> In-Reply-To: <20260615-slab_alloc_flags-v3-12-ce1146d140fb@kernel.org> --------------q0l0JaIkWSVOLvsG2IexwP2d Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 6/15/26 8:54 PM, Vlastimil Babka (SUSE) wrote: > The two flags are added internally so there's no point for warning if > they are passed by the caller as well, so allow them. This will allow > simplifying obj_ext allocation under kmalloc_nolock(). >=20 > Also it's not necessary to have the extra alloc_gfp variable for adding= > the two flags. The original gfp_flags parameter is not used anywhere > except for the warning. So remove alloc_gfp and directly modify and use= > gfp_flags everywhere. >=20 > Link: https://patch.msgid.link/20260610-slab_alloc_flags-v2-13-7190909d= b118@kernel.org > Reviewed-by: Hao Li > Reviewed-by: Suren Baghdasaryan > Signed-off-by: Vlastimil Babka (SUSE) > --- Looks good to me, Reviewed-by: Harry Yoo (Oracle) --=20 Cheers, Harry / Hyeonggon --------------q0l0JaIkWSVOLvsG2IexwP2d-- --------------peA90eEEkmps0M3XHjD0gcDF Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature.asc" -----BEGIN PGP SIGNATURE----- iHUEARYKAB0WIQQQ1ub6gR5ogjaKRmOGXBN6rc5S1gUCajJrxgAKCRCGXBN6rc5S 1hGmAP4or0hJp7BdgqqdydN0Yg1bEOvqzn/BMhkyTo9925/d5gD+Pt2WkRSPEHY8 2zHVmYiz9qd1DYIFZfHEq97ffG2dWgQ= =TNIQ -----END PGP SIGNATURE----- --------------peA90eEEkmps0M3XHjD0gcDF--