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Date: Mon, 5 Oct 2009 13:05:07 -0700 (PDT) From: Daniel J Blueman <daniel.blueman@...il.com> To: Jeff Chua <jeff.chua.linux@...il.com> Cc: Linux Kernel <linux-kernel@...r.kernel.org> Subject: Re: 2.6.32-rc3: low mem - only 378MB on x86_32 with 64GB. Why? On Oct 5, 5:10 pm, Jeff Chua <jeff.chua.li...@...il.com> wrote: > I've 3 systems with 4GB, 16GB and 64GB all running 32bit with these set: [snip] > Question is ... is there anyway to increase "low mem" without resorting to > migrating to 64bit? (Look... it only has 378MB total low mem vs 850MB on > the 4GB system). I've oracle installed on the 64GB system and it keeps > getting OOMs! Whilst linux may be able to address all 64GB of memory (running 32 or 64-bit), every 32-bit process will be limited to ~3GB virtual address space, which may be the limiting factor for your out-of-memory issue with Oracle. The only solution is to run 64-bit Oracle, alas. Daniel -- Daniel J Blueman -- 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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