On Fri, 6 Nov 2009, Dmitri Vorobiev wrote: > > KSEG space is not paged, so who cares about the page size? You're not > > making additional stack page allocations, although you can overflow the > > space available at some point (but that's avoided if you know a priori > > your backtrace is not going to be deep). Static allocation has its > > drawbacks, for example it takes storage space (if it's initialised data) > > or memory space (if it's BSS) indefinitely. > > Thanks for the explanation. Then a variable-size array, I guess. Note that MIPS is at an advantage here and other architectures may have to page the kernel space, so the observation is valid for our platform code only -- for generic code (anything that goes outside arch/mips) you may have to change the assumptions. Maciej
