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List:       sbcl-devel
Subject:    Re: [Sbcl-devel] "An mprotect call failed with ENOMEM."
From:       Vitaly Mayatskikh <v.mayatskih () gmail ! com>
Date:       2009-07-13 20:22:12
Message-ID: 87ab38ib9n.wl%vmayatsk () redhat ! com
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At Fri, 10 Jul 2009 09:24:02 -0700, Lynn Quam wrote:

> It this mprotect/page size issue on i386 or AMD64?  I would hope that the
> default page size on AMD64 is larger to avoid the problem.

No, x86-64 has the same page size (4096). But it is possible to
utilize hugepages (2mb per page). In-kernel vma chains will be much
shorter and memory management code will spend less time scanning such
chains.

-- 
wbr, Vitaly

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