[PATCH] Remove --disable-experimental-malloc option

[DJ Delorie]

Adhemerval Zanella <adhemerval.zanella@linaro.org> writes:
> -'--disable-experimental-malloc'
> -     By default, a per-thread cache is enabled in 'malloc'.  While this
> -     cache can be disabled on a per-application basis using tunables
> -     (set glibc.malloc.tcache_count to zero), this option can be used to
> -     remove it from the build completely.
> -

Ok.  Also, yay :-)

>  CPPFLAGS-malloc-debug.c += -DUSE_TCACHE=0
> -ifeq ($(experimental-malloc),yes)
>  CPPFLAGS-malloc.c += -DUSE_TCACHE=1
> -else
> -CPPFLAGS-malloc.c += -DUSE_TCACHE=0
> -endif

In the future, we could default this inside malloc.c instead of doing
this in the Makefile, but it's not important now.  Ok.

> diff --git a/manual/install.texi b/manual/install.texi
> index 260f8a5c82..cb76fbd28f 100644
> --- a/manual/install.texi
> +++ b/manual/install.texi
> @@ -292,12 +292,6 @@ This option is for hackers and distributions experimenting with
>  independently-maintained implementations of libcrypt.  It may become
>  the default in a future release.
>  
> -@item --disable-experimental-malloc
> -By default, a per-thread cache is enabled in @code{malloc}.  While
> -this cache can be disabled on a per-application basis using tunables
> -(set glibc.malloc.tcache_count to zero), this option can be used to
> -remove it from the build completely.
> -

LGTM.
Reviewed-by: DJ Delorie <dj@redhat.com>