Date: Mon, 16 Feb 2004 13:58:42 -0500 (EST) From: Robert Watson <rwatson@FreeBSD.org> To: Dag-Erling Smorgrav <des@FreeBSD.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/vm vm_kern.c Message-ID: <Pine.NEB.3.96L.1040216135731.63057M-100000@fledge.watson.org> In-Reply-To: <200402161841.i1GIfwmv008267@repoman.freebsd.org>
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On Mon, 16 Feb 2004, Dag-Erling Smorgrav wrote: > Log: > Don't panic if we fail to satisfy an M_WAITOK request; return 0 instead. > The calling code will either handle that gracefully or cause a page fault. Also, this turns an easily understood and widely documented kernel panic message into a page fault. Prior to this, users could google for the message and find documentation on increasing the size of the kernel address space. Now, it requires facility with the source code in order to figure out what it is going on (since the page fault trace won't include the memory allocation). Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert@fledge.watson.org Senior Research Scientist, McAfee Research
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