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Date:      Sat, 3 Jul 2004 14:22:46 -0400
From:      Brian Fundakowski Feldman <green@freebsd.org>
To:        ticso@cicely.de
Cc:        bmilekic@freebsd.org
Subject:   Re: malloc(9) M_WAITOK broken
Message-ID:  <20040703182246.GA964@green.homeunix.org>
In-Reply-To: <20040703101858.GB65870@cicely5.cicely.de>
References:  <20040703075555.GA65870@cicely5.cicely.de> <20040703101858.GB65870@cicely5.cicely.de>

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On Sat, Jul 03, 2004 at 12:18:59PM +0200, Bernd Walter wrote:
> On Sat, Jul 03, 2004 at 09:55:56AM +0200, Bernd Walter wrote:
> > I get daily panics in vinum because malloc M_WAITOK returns NULL.
> > Source is from 1st Jul running on alpha.
> 
> Since vm_uma_core.c Rev 1.94 uma_zalloc_arg allways ignores M_WAITOK
> in the non WITNESS case because badness is initialized as 1.
> My understanding is that M_WAITOK shouldn't be ignored in any case
> to avoid returning NULL - at least malloc(9) is documented to never
> return NULL with M_WAITOK.

Please try an updated src/sys/vm/uma_core.c now (the rest of the build
is broken, so just try updating the last revision of that file.)

-- 
Brian Fundakowski Feldman                           \'[ FreeBSD ]''''''''''\
  <> green@FreeBSD.org                               \  The Power to Serve! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,,,,,\



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