Date: Fri, 31 Aug 2012 10:12:22 +0400 From: Andrey Zonov <zont@FreeBSD.org> To: freebsd-arch@freebsd.org Subject: Re: [patch] unprivileged mlock(2) Message-ID: <504055C6.8060704@FreeBSD.org> In-Reply-To: <503F476E.1010505@FreeBSD.org> References: <503DD433.2030108@FreeBSD.org> <201208290906.q7T96C9j032802@gw.catspoiler.org> <20120829092318.GW33100@deviant.kiev.zoral.com.ua> <503F2D24.8050103@FreeBSD.org> <503F476E.1010505@FreeBSD.org>
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On 8/30/12 2:58 PM, Andrey Zonov wrote:
> On 8/30/12 1:06 PM, Andrey Zonov wrote:
>> Index: sys/vm/vm_mmap.c
>> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>> --- sys/vm/vm_mmap.c (revision 239611)
>> +++ sys/vm/vm_mmap.c (working copy)
>> @@ -1483,11 +1483,13 @@ vm_mmap(vm_map_t map, vm_offset_t *addr, vm_si=
ze_t
>> PROC_UNLOCK(td->td_proc);
>> return (ENOMEM);
>> }
>> +#ifdef RACCT
>> if (racct_set(td->td_proc, RACCT_VMEM, map->size + size)) {
>> PROC_UNLOCK(td->td_proc);
>> return (ENOMEM);
>> }
>> PROC_UNLOCK(td->td_proc);
>> +#endif
>> }
>>
>> /*
>>
>=20
> I put '#endif' in the wrong place, corrected patch is here [2].
>=20
We don't need this patch, because accounting code doesn't add any extra
process locking here.
--=20
Andrey Zonov
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