[PATCH v3] PowerPC: libc single-thread lock optimization

[Florian Weimer]

On 03/11/2016 07:35 PM, Tulio Magno Quites Machado Filho wrote:
> diff --git a/malloc/malloc.c b/malloc/malloc.c
> index b8a43bf..1eed794 100644
> --- a/malloc/malloc.c
> +++ b/malloc/malloc.c
> @@ -4150,7 +4150,7 @@ static void malloc_consolidate(mstate av)
>      maxfb = &fastbin (av, NFASTBINS - 1);
>      fb = &fastbin (av, 0);
>      do {
> -      p = atomic_exchange_acq (fb, 0);
> +      p = atomic_exchange_acq (fb, NULL);
>        if (p != 0) {
>  	do {
>  	  check_inuse_chunk(av, p);

This should go in immediately and separately, it is independent of  the
rest of the patch.

Thanks,
Florian