linux-kernel - Re: [PATCH v2 1/8] minmax: Put all the clamp() definitions together

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Message-ID: <CAHk-=wgP+Fm=O2tYtS=3fDB7Vh+=rSYCC1mjqxcTQ=024G0qYw@mail.gmail.com>
Date: Tue, 30 Jul 2024 15:44:16 -0700
From: Linus Torvalds <torvalds@...uxfoundation.org>
To: David Laight <David.Laight@...lab.com>
Cc: Arnd Bergmann <arnd@...nel.org>, 
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Jens Axboe <axboe@...nel.dk>, 
	Matthew Wilcox <willy@...radead.org>, Christoph Hellwig <hch@...radead.org>, 
	Andrew Morton <akpm@...ux-foundation.org>, 
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, 
	Dan Carpenter <dan.carpenter@...aro.org>, "Jason A . Donenfeld" <Jason@...c4.com>, 
	"pedro.falcato@...il.com" <pedro.falcato@...il.com>, Mateusz Guzik <mjguzik@...il.com>, 
	"linux-mm@...ck.org" <linux-mm@...ck.org>, Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
Subject: Re: [PATCH v2 1/8] minmax: Put all the clamp() definitions together

On Tue, 30 Jul 2024 at 14:48, David Laight <David.Laight@...lab.com> wrote:
>
> Have you a plan to 'fix' min3() ?

I didn't have a test-case that showed it being a problem, particularly
after min() no longer expands exponentially, but maybe something like
the attached would work?

All the infrastructure is in place for it, this just uses it.

Does this work for you? Was there some particularly bad case you were
looking at that I missed?

           Linus

View attachment "patch.diff" of type "text/x-patch" (1262 bytes)