Hello Zhang, On Sat, 2013-08-24 at 00:54 +0800, Zhang Yanfei wrote: > > Tang, what do you think? Are you OK to try Tejun's suggestion as well? > > > > By saying TJ's suggestion, you mean, we will let memblock to control the > behaviour, that said, we will do early allocations near the kernel image > range before we get the SRAT info? Right. > If so, yeah, we have been working on this direction. Great! > By doing this, we may > have two main changes: > > 1. change some of memblock's APIs to make it have the ability to allocate > memory from low address. > 2. setup kernel page table down-top. Concretely, we first map the memory > just after the kernel image to the top, then, we map 0 - kernel image end. > > Do you guys think this is reasonable and acceptable? Have you also looked at Yinghai's comments below? http://www.spinics.net/lists/linux-mm/msg61362.html Thanks, -Toshi -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>