Geert Uytterhoeven wrote: > On Mon, 3 Dec 2007, Milton Miller wrote: >> Chris, as you can see, PS3 needs to allocate 1/8th of total initial memory to >> add any more memory. Geoff, can you predict what linear address the >> additional memory will occupy? Judging from the attempted address toa add, >> maybe not. If not, my only thought is to pre-reserve an additional page and >> consume it on the first add. Additional adds will likely draw from the >> first >> added region, pinning. > > To me it sounds a bit strange that hotplug memory relies on having huge > contiguous blocks of memory available. If this isn't done very early in the > boot process, changes are high it will fail. > > Would it be possible to allocate the memory from the newly added block, which > is guaranteed to be unfragmented?
Yes, this sounds like a cleaner solution than pre-allocating, as the memory is there and its properties are known. -Geoff -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/