From owner-freebsd-hackers  Fri Jan 17 15:27:32 2003
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Date: Fri, 17 Jan 2003 15:27:29 -0800
From: David Schultz <dschultz@uclink.Berkeley.EDU>
To: Mark Santcroos <marks@ripe.net>
Cc: hackers@FreeBSD.ORG
Subject: Re: nswap
Message-ID: <20030117232729.GA5908@HAL9000.homeunix.com>
Mail-Followup-To: Mark Santcroos <marks@ripe.net>,
	hackers@FreeBSD.ORG
References: <20030117000917.GA7277@laptop.6bone.nl>
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Thus spake Mark Santcroos <marks@ripe.net>:
> in <sys/systm.h>:
> extern int nswap;   /* size of swap space */
> 
> in <vm/vm_swap.c>:
> static int nswap;   /* first block after the interleaved devs */
> 
> Is the extern pointing to this variable? (It seems so, don't see any other
> such variable in the three)
> If so, is there any problem with making nswap non-static?

It's a constant that is only relevant to the management of the
swap allocation bitmap, so it is properly static.  It shouldn't be
declared in sys/systm.h.

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