[PATCH] manual: update recent malloc tunable defaults

Adhemerval Zanella Netto adhemerval.zanella@linaro.org
Wed Apr 1 12:42:30 GMT 2026



On 01/04/26 05:09, Rocket Ma wrote:
> manual/tunables.texi: update glibc.malloc.tcache_count to 16, in sync
> with source code; fix a typo in glibc.mem.decorate_maps tunable
> 
> Signed-off-by: Rocket Ma <marocketbd@gmail.com>

LGTM, thanks.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

> ---
>  manual/tunables.texi | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/manual/tunables.texi b/manual/tunables.texi
> index 72769428e8..cb6a83754b 100644
> --- a/manual/tunables.texi
> +++ b/manual/tunables.texi
> @@ -231,7 +231,7 @@ per-thread cache.  The default (and maximum) value is 1032 bytes on
>  @end deftp
>  
>  @deftp Tunable glibc.malloc.tcache_count
> -The maximum number of chunks of each size to cache. The default is 7.
> +The maximum number of chunks of each size to cache. The default is 16.
>  The upper limit is 65535.  If set to zero, the per-thread cache is effectively
>  disabled.
>  
> @@ -700,7 +700,7 @@ system with a string describing its usage (for instance, on the thread
>  stack created by @code{pthread_create} or memory allocated by
>  @code{malloc}).
>  
> -The process mappings can be obtained by reading the @code{/proc/<pid>maps}
> +The process mappings can be obtained by reading the @code{/proc/<pid>/maps}
>  (with @code{pid} being either the @dfn{process ID} or @code{self} for the
>  process own mapping).
>  



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