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* Jens Axboe <axboe@suse.de> wrote: > Hi, > > It does annoy me that any 1G i386 machine will end up with 1/8th of > the memory as highmem. A patch like this one has been used in various > places since the early 2.4 days at least, is there a reason why it > isn't merged yet? Note I just hacked this one up, but similar patches > abound I'm sure. Bugs are mine. yes, i made it totally configurable in 2.4 days: 1:3, 2/2 and 3:1 splits were possible. It was a larger patch to enable all this across x86, but the Kconfig portion was removed a bit later because people _frequently_ misconfigured their kernels and then complained about the results. so for now the trivial solution is to change the "C" to "8" in the following line in include/asm-i386/page.h: > #define __PAGE_OFFSET (0xC0000000) instead of editing your .config :-) Maybe we could try the Kconfig solution again, but it'll need alot better documentation, dependency on KERNEL_DEBUG and some heavy warnings all around. Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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