Hi, On Thu, Nov 10, 2011 at 6:23 AM, Geraint Yang <geraint0923@xxxxxxxxx> wrote: > Hi there, > I am a newbie to Linux kernel programming. I am going to make a module > which will cost much memory in kernel, I just want to know how much > memory I can get by calling memory allocate API in kernel. All of it. >From kernel space, you can completely exhaust memory to the point of making your system unusable. >From kernel space you have vmalloc memory and kmalloc memory (plus a couple other memory spaces). Depending on how things are configured, it's possible to exhaust vmalloc memory even though there is memory available to be kmalloc'd. -- Dave Hylands Shuswap, BC, Canada http://www.davehylands.com _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies