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 E8BE52DC76A; Fri, 12 Jun 2026 09:59:26 +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=1781258367; cv=none; b=Nkw6VJLJi01QLffJ34uctfAtfRmHZji3NjjMhiObb4Xcn7NnLtaCHdaPOOXXCUzlgLHP311te3KajnRlYBQHp9siwWSKm13IX8msQ9y8oClfmh4Rgj83phU1Bvgpqx1uO1V+sZkmTXdHraPyIHnjox09xhQlbLGTCfp7XWD3OIA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781258367; c=relaxed/simple; bh=YeAlGMbDsW31JPgnYONoXxICGKWKJA3O91ZZGzWoIm4=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Q35ehrC/Nc306IeEYEqcalpWqwa7AFLdB8B7IzY829OA1hu8xJi8PMDa4Xx90y966mHEu/YXliWnCnuKLH+LI2bNbgR6S3LfoQ/aI8GLXKsZiEcdfwAJa4113SdHczbTEvKUPLq6qiNS+bWoimcmJ0UxUF0HXyVseoGn6BjB2Rw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=STdivhBR; 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="STdivhBR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 162581F000E9; Fri, 12 Jun 2026 09:59:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781258366; bh=FyfQhJDr0ZUeHVCkGcfPOj7+bIdM3McE9qOrpu4jQqY=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=STdivhBRretl36rmEOAV6Bqo7gg/u3Q9MHcGjma8Tt/VRgGPo5waxl/z1/QcjN4l4 RqQGQVWHLcagbNQIBX46mdyK5M+3TPq7GnsAADq/XomCJ2smU7MTp1EP7/6YLMdcsv amxAVvF9tI5fifQeK+wB6LaYoGmP2K95gxavkts73LGK8f9n/gr+9h5m+m1fl/r8eE RguJ3C8I1pbTeplwHL0o3MLxXLnoDhTvRMEIs9JZSCFNwSJKJnXFkUPFSKldba6kBI A6YPaaw0fZALQ1vug6Y0Vv2RwN+TmWnS1rWz+z34PIkJu006/TEY6UE0HZOU3YG/Kr jpJ/s88dNz65g== Message-ID: <0546df1f-616c-44b5-8a1c-f96d5f33d8e6@kernel.org> Date: Fri, 12 Jun 2026 11:59:21 +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 v2 08/16] mm/slab: pass alloc_flags to new slab allocation Content-Language: en-US To: Hao Li Cc: Harry Yoo , 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: <20260610-slab_alloc_flags-v2-0-7190909db118@kernel.org> <20260610-slab_alloc_flags-v2-8-7190909db118@kernel.org> From: "Vlastimil Babka (SUSE)" Autocrypt: addr=vbabka@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 6/12/26 07:26, Hao Li wrote: > On Wed, Jun 10, 2026 at 05:40:10PM +0200, Vlastimil Babka (SUSE) wrote: >> --- a/mm/slub.c >> +++ b/mm/slub.c >> @@ -3378,9 +3378,10 @@ static __always_inline void unaccount_slab(struct slab *slab, int order, >> } >> >> /* Allocate and initialize a slab without building its freelist. */ >> -static struct slab *allocate_slab(struct kmem_cache *s, gfp_t flags, int node) >> +static struct slab *allocate_slab(struct kmem_cache *s, gfp_t flags, >> + unsigned int alloc_flags, int node) >> { >> - bool allow_spin = gfpflags_allow_spinning(flags); >> + bool allow_spin = alloc_flags_allow_spinning(alloc_flags); > > nit: allow_spin doesn't depend on `flags` now, so it seems we can delete the > comments: > > /* > * __GFP_RECLAIM could be cleared on the first allocation attempt, > * so pass allow_spin flag directly. > */ Right, deleted. > Otherwise, looks good to me. > Reviewed-by: Hao Li Thanks!