Messages in this thread |  | | From | Benjamin Herrenschmidt <> | Subject | Re: consequences of lowering "MAX_LOW_MEM"? | Date | Tue, 3 Sep 2002 22:28:23 +0200 |
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>I think you'll find yourself with no virtual address space left to >do vmalloc / fixmap / kmap type stuff. Or at least you would on i386, >I presume it's the same for ppc. Sounds like you may have left >yourself enough space for fixmap & kmap, but any calls to vmalloc >will probably fail ?
Yes, same problem on PPC, you'll run out of virtual space quite quickly for vmalloc and ioremap. Stuff a video board with lots of VRAM or any PCI card exposing large MMIO regions into your machines and it will probably not even boot.
Ben.
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