PATCH: Add memory barrier to malloc

[Ulrich Drepper]

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H. J. Lu wrote:

> Are you proposing to remove locks from malloc or just use compare/swap
> with locks? Removing locks sounds a good idea if it is feasible.

I means that there are memory barrier macros in atomic.h.

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Ulrich Drepper \    ,-----------------'   \ Mountain View, CA 94041 USA
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