On Mon, May 9, 2011 at 3:58 PM, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > Ahh, so you never actually have one single mapping that has both flags set? > > In that case, I won't even worry about it. Definitely not for normal processes - I'm not sure how both stacks are set up for threads. > One thing I did want to verify: did the mlockall() actually change the > stack size without that patch? Just to double-check that the patch > actually did change semantics visibly. On an unpatched system I see this (lots more than one page of growth - pages are 64K on this config): 6007fffffff50000-6007fffffff70000 rw-p 00000000 00:00 0 6007fffffff50000-6008000000750000 rw-p 00000000 00:00 0 On a patched system I see (this one has 16K pages - no growth) 600007ffff9d0000-600007ffff9d4000 rw-p 00000000 00:00 0 600007ffff9d0000-600007ffff9d4000 rw-p 00000000 00:00 0 -Tony -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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