Messages in this thread | | | Date | Sat, 9 Dec 2006 22:21:17 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [RFC] [PATCH] virtual memmap on sparsemem v3 [0/4] introduction |
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On Sat, 9 Dec 2006 12:51:37 +0100 Heiko Carstens <heiko.carstens@de.ibm.com> wrote:
> > Virtual mem_map is not useful for 32bit archs. This uses huge virtual > > address range. > > Why? The s390 vmem_map implementation which I sent last week to linux-mm > is merged in the meantime. It supports both 32 and 64 bit. > The main reason is to keep things simple and avoid #ifdef hell. > > Since the maximum size of the virtual array is about 16MB it's not much > waste of address space. Actually I just changed the size of the vmalloc > area, so that the maximum supported physical amount of memory is still 1920MB.
I'm sorry. I don't stop anyone who want to use vmem_map. (My brain is polluted by ugly x86 36bit-space/32bit arch.)
-Kame
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