Date: Thu, 14 May 2009 11:26:31 +0900 From: dikshie <dikshie@gmail.com> To: freebsd-stable@freebsd.org Subject: Re: maximum mmap() Message-ID: <910e60e80905131926w542aab96q68102aa97e97b62f@mail.gmail.com> In-Reply-To: <200905131011.44391.jhb@freebsd.org> References: <910e60e80905130410h38a1dc70y23a26275dac51a31@mail.gmail.com> <200905131011.44391.jhb@freebsd.org>
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On Wed, May 13, 2009 at 11:11 PM, John Baldwin <jhb@freebsd.org> wrote: > The amount of RAM is not the issue, it is the size of the virtual address > space. =A0You can lower maxdsiz on i386 to leave more room for mmap, and = you > can also change KVA_PAGES in the kernel to leave more address space for > userland than for the kernel perhaps, but you won't get a whole lot more > space that way (you might be able to map 2.5GB or so). =A0Moving to amd64= gives > you a 64-bit virtual address space and you will be able to easily mmap() > much, much more than 4GB out of the box. i see. thanks for the explanation. it seems i have to move to AMD64 and added more RAM. -dikshie-
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