From: Alexey Dobriyan <adobriyan@gmail.com>
To: David Laight <David.Laight@aculab.com>
Cc: "akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Al Viro <viro@zeniv.linux.org.uk>
Subject: Re: [PATCH] fs: move and constify sysctl_nr_open_min, sysctl_nr_open_max
Date: Sat, 14 Oct 2023 12:22:56 +0300 [thread overview]
Message-ID: <261b7728-a9f3-4ceb-8325-b8ad1fae993c@p183> (raw)
In-Reply-To: <9b23bb6bcabe4f419cb8510e99275085@AcuMS.aculab.com>
On Thu, Oct 12, 2023 at 01:54:06PM +0000, David Laight wrote:
> From: Alexey Dobriyan
> > Sent: 11 October 2023 19:24
> > +/* our min() is unusable in constant expressions ;-/ */
> > +#define __const_min(x, y) ((x) < (y) ? (x) : (y))
> > +static const unsigned int sysctl_nr_open_max =
> > + __const_min(INT_MAX, ~(size_t)0/sizeof(void *)) & -BITS_PER_LONG;
>
> I think you'll find that min() is fine.
Mainline min() still can't do
static const x = min(1, 2);
next prev parent reply other threads:[~2023-10-14 9:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-11 18:24 Alexey Dobriyan
2023-10-12 13:54 ` David Laight
2023-10-14 9:22 ` Alexey Dobriyan [this message]
2023-10-15 9:16 ` David Laight
2023-10-15 9:30 ` David Laight
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