[Beowulf] rhel page_size
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Alex Chekholko chekh at pcbi.upenn.eduFri Jan 22 10:56:28 PST 2010
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On Fri, 22 Jan 2010 13:33:08 -0500 Michael Di Domenico <mdidomenico4 at gmail.com> wrote: > does anyone know if it's still possible to change the default > page_size from 4k to something larger on RHEL v5 x86_64? > > My efforts to recompile the kernel with a larger page size are failing > me, but i might be doing it wrong... Hi Michael, What are you actually trying to accomplish? These links may be relevant: http://en.wikipedia.org/wiki/Page_(computer_memory)#Huge_pages http://dank.qemfd.net/dankwiki/index.php/Pages One place where this comes up is trying to increase the blocksize of ext3; my understanding is that it's not possible in practice: http://en.wikipedia.org/wiki/Ext3#cite_note-7 Regards, -- Alex Chekholko chekh at pcbi.upenn.edu
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