What is the size of each user thread that gets created in Linux? I remember it used to be 2MB for each thread created beyond the main thread, actually Linux used mmap to reserve 2MB of linear space in the address space of the process and then memory was allocated as needed. But recently when I wrote a program with a couple of threads created by the pthread library and checked the memory space of the process with pmap and /proc/pid/maps, I noticed that 10M of space was created for each thread's stack.
Has something changed and the thread stack space has increased from 2M to 10M?
Thanks
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