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On Wed, Jan 05, 2000 at 11:17:58PM +0100, Peter Tufvesson wrote: ... > > It turned out that a 2.1.12 kernel compiled for 1GB of physical memory > only allowed the process to allocate 910MB! Can anyone comment on this? I > believed it would be possible to use more... I also run two of these > processes in parallel, and then both got exactly the same amount, 910MB... ... That is no bug, it's intended to be so! Just read the relevant header file <asm/page.h>: ... * A __PAGE_OFFSET of 0xC0000000 means that the kernel has * a virtual address space of one gigabyte, which limits the * amount of physical memory you can use to about 950MB. If * you want to use more physical memory, change this define. * ... Yours, Dominik Kubla - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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