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From: David Laight <David.Laight@ACULAB.COM>
To: 'Andrii Nakryiko' <andrii.nakryiko@gmail.com>,
	Christoph Hellwig <hch@infradead.org>
Cc: Mel Gorman <mgorman@techsingularity.net>,
	Andrew Morton <akpm@linux-foundation.org>,
	Arnaldo Carvalho de Melo <acme@redhat.com>,
	Michal Suchanek <msuchanek@suse.de>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Martin KaFai Lau <kafai@fb.com>,
	"Song Liu" <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
	John Fastabend <john.fastabend@gmail.com>,
	KP Singh <kpsingh@kernel.org>,
	open list <linux-kernel@vger.kernel.org>,
	Jiri Olsa <jolsa@kernel.org>, Hritik Vijay <hritikxx8@gmail.com>,
	bpf <bpf@vger.kernel.org>, Linux-Net <netdev@vger.kernel.org>,
	Linux-MM <linux-mm@kvack.org>
Subject: RE: [PATCH] mm/page_alloc: Work around a pahole limitation with zero-sized struct pagesets
Date: Fri, 28 May 2021 08:09:39 +0000	[thread overview]
Message-ID: <8fe547e9e87f40aebce82021d76a2d08@AcuMS.aculab.com> (raw)
In-Reply-To: <CAEf4BzbzPK-3cyLFM8QKE5-o_dL7=UCcvRF+rEqyUcHhyY+FJg@mail.gmail.com>

From: Andrii Nakryiko
> Sent: 27 May 2021 15:42
...
> I agree that empty structs are useful, but here we are talking about
> per-CPU variables only, which is the first use case so far, as far as
> I can see. If we had pahole 1.22 released and widely packaged it could
> have been a viable option to force it on everyone. 
...

Would it be feasible to put the sources for pahole into the
kernel repository and build it at the same time as objtool?

That would remove any issues about the latest version
not being available.

	David

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)

  reply	other threads:[~2021-05-28  8:09 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-26  8:07 Mel Gorman
2021-05-26  8:16 ` David Hildenbrand
2021-05-26  8:33 ` (BTF) " Michal Suchánek
2021-05-26  9:00   ` Mel Gorman
2021-05-26 17:00   ` Andrii Nakryiko
2021-05-26 17:43     ` Michal Suchánek
2021-05-26 16:57 ` Andrii Nakryiko
2021-05-26 18:13   ` Mel Gorman
2021-05-26 18:41     ` Andrii Nakryiko
2021-05-27  8:04 ` Christoph Hellwig
2021-05-27  9:04   ` Mel Gorman
2021-05-27  9:18     ` Christoph Hellwig
2021-05-27 14:37       ` Andrii Nakryiko
2021-05-27 14:41         ` Andrii Nakryiko
2021-05-28  8:09           ` David Laight [this message]
2021-05-28  9:04             ` Mel Gorman
2021-05-28  9:49               ` David Laight
2021-05-28  9:56                 ` Michal Suchánek
2021-05-28 13:09                   ` David Laight
2021-05-30  0:46             ` Andrii Nakryiko

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