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Date:      Sat, 13 Jan 2018 15:28:59 -0800
From:      Nathan Whitehorn <nwhitehorn@freebsd.org>
To:        Konstantin Belousov <kostikbel@gmail.com>
Cc:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   Re: svn commit: r327950 - in head/sys/powerpc: aim include powerpc ps3
Message-ID:  <010d0153-8931-a3c2-db21-dfcbaf848fc0@freebsd.org>
In-Reply-To: <20180113232441.GV1684@kib.kiev.ua>
References:  <201801132314.w0DNEra5002692@repo.freebsd.org> <20180113232441.GV1684@kib.kiev.ua>

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On 01/13/18 15:24, Konstantin Belousov wrote:
> On Sat, Jan 13, 2018 at 11:14:53PM +0000, Nathan Whitehorn wrote:
>> +/*
>> + * We (usually) have a direct map of all physical memory. All
>> + * uses of this macro must be gated by a check on hw_direct_map!
>> + * The location of the direct map may not be 1:1 in future, so use
>> + * of the macro is recommended; it may also grow an assert that hw_direct_map
>> + * is set.
>> + */
>> +#define PHYS_TO_DMAP(x) x
>> +#define DMAP_TO_PHYS(x) x
> Take a look at the sys/vm/vm_page.c:vm_page_free_prep() function.
>

I think the checks in there should work as designed, unless I'm missing 
something. Am I?
-Nathan



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