linux-kernel - Re: [PATCH bpf-next v10 08/13] bpf: Skip anonymous types in type lookup for performance

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Message-ID: <6e725ff212d7ac80d671e86242a761962cbbcaf2.camel@gmail.com>
Date: Thu, 18 Dec 2025 14:24:14 -0800
From: Eduard Zingerman <eddyz87@...il.com>
To: Donglin Peng <dolinux.peng@...il.com>, ast@...nel.org, 
	andrii.nakryiko@...il.com
Cc: zhangxiaoqin@...omi.com, ihor.solodrai@...ux.dev, 
	linux-kernel@...r.kernel.org, bpf@...r.kernel.org, pengdonglin
	 <pengdonglin@...omi.com>, Alan Maguire <alan.maguire@...cle.com>
Subject: Re: [PATCH bpf-next v10 08/13] bpf: Skip anonymous types in type
 lookup for performance

On Thu, 2025-12-18 at 19:30 +0800, Donglin Peng wrote:
> From: pengdonglin <pengdonglin@...omi.com>
> 
> Currently, vmlinux and kernel module BTFs are unconditionally
> sorted during the build phase, with named types placed at the
> end. Thus, anonymous types should be skipped when starting the
> search. In my vmlinux BTF, the number of anonymous types is
> 61,747, which means the loop count can be reduced by 61,747.
> 
> Cc: Eduard Zingerman <eddyz87@...il.com>
> Cc: Alexei Starovoitov <ast@...nel.org>
> Cc: Andrii Nakryiko <andrii.nakryiko@...il.com>
> Cc: Alan Maguire <alan.maguire@...cle.com>
> Cc: Ihor Solodrai <ihor.solodrai@...ux.dev>
> Cc: Xiaoqin Zhang <zhangxiaoqin@...omi.com>
> Signed-off-by: pengdonglin <pengdonglin@...omi.com>
> ---

Acked-by: Eduard Zingerman <eddyz87@...il.com>

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