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Open Source and information security mailing list archives
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Date: Tue, 17 Mar 2009 09:04:21 -0700 From: "H. Peter Anvin" <hpa@...or.com> To: Jeremy Fitzhardinge <jeremy@...p.org> CC: Yinghai Lu <yinghai@...nel.org>, Ingo Molnar <mingo@...e.hu>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: [crash] Re: Latest brk patchset Jeremy Fitzhardinge wrote: > H. Peter Anvin wrote: >> Yinghai Lu wrote: >> >>>> You could also write: >>>> >>>> PAGE_TABLE_SIZE((-PAGE_OFFSET & 0xffffffff) >> PAGE_SHIFT) << >>>> PAGE_SHIFT >>>> >>>> (the & 0xffffffff is necessary, or you'll get a signed shift.) >>>> >>> max kernel address space range? >>> >>> >> >> Yes, either ((1 << 32)-PAGE_OFFSET) or (-PAGE_OFFSET & 0xffffffff) >> should work for that. >> > > The former seems more obvious. Hi, Are you refreshing the patchset? -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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