[PATCH] malloc: Correct the documentation of the top_pad default
Alejandro Colomar
alx.manpages@gmail.com
Thu Aug 4 15:46:40 GMT 2022
Hi Florian,
On 8/4/22 10:48, Florian Weimer via Libc-alpha wrote:
> DEFAULT_TOP_PAD is defined as 131072 in
> sysdeps/generic/malloc-machine.h.
>
> ---
> elf/dl-tunables.list | 1 +
> elf/tst-rtld-list-tunables.exp | 2 +-
> manual/tunables.texi | 2 +-
> 3 files changed, 3 insertions(+), 2 deletions(-)
>
[...]
> diff --git a/manual/tunables.texi b/manual/tunables.texi
> index 83cdcdac6d..ffd50a3fe2 100644
> --- a/manual/tunables.texi
> +++ b/manual/tunables.texi
> @@ -143,7 +143,7 @@ number of bytes to retain when shrinking any of the arenas. This provides the
> necessary hysteresis in heap size such that excessive amounts of system calls
> can be avoided.
>
> -The default value of this tunable is @samp{0}.
> +The default value of this tunable is @samp{131072} (128 KB).
I don't know how much glibc uses KB vs KiB, but I'd like to be pedantic
here and suggest using KiB (maybe this requires a global change to keep
consistency). See units(7).
Cheers,
Alex
> @end deftp
>
> @deftp Tunable glibc.malloc.perturb
>
--
Alejandro Colomar
<http://www.alejandro-colomar.es/>
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