Date: Tue, 03 Jul 2007 11:47:26 -0400 From: Chuck Swiger <cswiger@mac.com> To: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> Cc: freebsd-questions@freebsd.org Subject: Re: large pages Message-ID: <468A6F8E.8030808@mac.com> In-Reply-To: <20070703171849.R18529@wojtek.tensor.gdynia.pl> References: <20070701203720.X64116@wojtek.tensor.gdynia.pl> <46885761.9050302@mac.com> <20070703171849.R18529@wojtek.tensor.gdynia.pl>
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Wojciech Puchar wrote: > how can i check in program that the region is mapped using huge pages? I am not entirely sure from within userland, but I believe the kernel boot messages will indicate the status of PAE. > i use mmap with address padded to 4M and mlock. Note that there is a separate tunable for the maximum # of pages that a process or user can lock down; you'll probably need to increate that value. -- -Chuck
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