On Thu, Aug 15, 2013 at 1:42 AM, Tang Chen <tangchen@xxxxxxxxxxxxxx> wrote: > So if we want to allocate page tables near the kernelimage, we have to do > the following: > > 1. Use BRK to map a range near kernel image, let's call it range X. > 2. Calculate how much memory needed to map all the memory, let's say Y > Bytes. > Use range X to map at least Y Bytes memory near kernel image. > 3. Use the mapped memory to map all the rest memory. > > Does this sound OK to you guys ? oh, no. We just get rid of pre-calculate the buffer size for page tables. Yinghai -- 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>