Date: Fri, 04 Mar 2005 07:23:30 +0800 From: David Xu <davidxu@freebsd.org> To: Julian Elischer <julian@elischer.org> Cc: John Baldwin <jhb@freebsd.org> Subject: Re: cvs commit: src/sys/kern kern_sig.c Message-ID: <42279C72.2000208@freebsd.org> In-Reply-To: <422771E9.6070405@elischer.org> References: <200503021343.j22DhpQ3075008@repoman.freebsd.org> <200503020915.28512.jhb@FreeBSD.org> <4226446B.7020406@freebsd.org> <20050303033115.GA13174@VARK.MIT.EDU> <42269DB0.6070107@freebsd.org> <20050303052902.GA14011@VARK.MIT.EDU> <422771E9.6070405@elischer.org>
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Julian Elischer wrote: >> >> >>>> The alternative, of course, is to just fix the code that assumes >>>> that swapping doesn't exist. >>>> >>>> >>> >>> First find all code written in such way, but it is not that easy. >>> >> >> >> True. If we changed msleep() to disable swapping by default, then >> we wouldn't have to worry about correctness problems related to >> missing some. >> >> > > adding the flag to ENABLE swapping would be ABI compatible. > > how about adding a PNOSWAP to msleep ? but I won't trust the kernel under swapping, because they can not give me 100% guarantee, my machine crashes several times per-month, even when fscking at boot time, mostly it is a page fault. David Xu
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