Re: Major slab mem leak with 2.6.17 / GCC 4.1.1

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On 13/10/06, Pekka Enberg <[email protected]> wrote:
On 10/13/06, [email protected] <[email protected]> wrote:
> If anyone has a version of kmemleak that I can build with 4.1.1, or
> any other suggestions for instrumentation, I'd be happy to gather more
> data - the problem is very easy for me to reproduce.

You should cc Catalin for that. Alternatively, you could try
CONFIG_DEBUG_SLAB_LEAK.

Thanks for cc'ing me (I'm still on holiday and not following the
mailing list). The problem is the __builtin_constant_p gcc function
which doesn't work properly with 4.x versions. It was fixed in latest
gcc versions though. Kmemleak relies on __builtin_constant_p to
determine the pointer aliases and without it you would get plenty of
false positives.

--
Catalin
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