On Sun 05-05-13 23:41:17, Sha Zhengju wrote:
> Current RESOURCE_MAX(unlimited) is ULONG_MAX, but we can set a bigger value
You have a typo here. The current limit is LLONG_MAX
> than it which is strange. This patch fix it to UULONG_MAX.
and the new one is ULLONG_MAX
> Notice that this change will affect user output of default *.limit_in_bytes:
> before change:
> $ cat /memcg/memory.limit_in_bytes
> 9223372036854775807
>
> after change:
> $ cat /memcg/memory.limit_in_bytes
> 18446744073709551615
>
> But it doesn't alter the API in term of input - we can still use
> "echo -1 > *.limit_in_bytes" to reset the numbers to "unlimited".
>
> Thanks the suggestions from Andrew and Daisuke Nishimura!
>
> Signed-off-by: Sha Zhengju <handai.szj@xxxxxxxxxx>
For the default change
Acked-by: Michal Hocko <mhocko@xxxxxxx>
> ---
> include/linux/res_counter.h | 2 +-
> kernel/res_counter.c | 8 ++++----
> mm/memcontrol.c | 4 ++--
> net/ipv4/tcp_memcontrol.c | 10 +++++-----
> 4 files changed, 12 insertions(+), 12 deletions(-)
>
> diff --git a/include/linux/res_counter.h b/include/linux/res_counter.h
> index c230994..d7e9056 100644
> --- a/include/linux/res_counter.h
> +++ b/include/linux/res_counter.h
> @@ -54,7 +54,7 @@ struct res_counter {
> struct res_counter *parent;
> };
>
> -#define RESOURCE_MAX (unsigned long long)LLONG_MAX
> +#define RES_COUNTER_MAX ULLONG_MAX
I do not think the renaming is worth bothering but if you feel it is a
better match then just do it in a separate patch, please.
--
Michal Hocko
SUSE Labs
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