Date: Fri, 01 Mar 2013 06:22:08 -0800 From: Matthew Jacob <mjacob@freebsd.org> To: freebsd-hackers@freebsd.org Subject: Re: memory allocation in spinlock context Message-ID: <5130B990.2010001@freebsd.org> In-Reply-To: <5130B224.8000600@FreeBSD.org> References: <5130B224.8000600@FreeBSD.org>
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On 3/1/2013 5:50 AM, Andriy Gapon wrote: > I am trying to understand if it is possible to allow memory allocations (M_NOWAIT, > of course) in a spinlock context. > There are mechanisms to do just this- essentially by creating private pools that are organized in a way to allow for spinlock (and thus possible interrupt level) safe allocations (and failure if the pool is empty). Are you trying to make a general mechanism for this?
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