Re: [PATCH -next] mm/debug: use lx% for atomic64_read() on ppc64le

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Please ignore this patch.

On 2/20/19 8:08 PM, Qian Cai wrote:
> atomic64_read() on ppc64le returns "long int" while "long long" seems on
> all other arches, so deal the special case for ppc64le.
> 
> In file included from ./include/linux/printk.h:7,
>                  from ./include/linux/kernel.h:15,
>                  from mm/debug.c:9:
> mm/debug.c: In function 'dump_mm':
> ./include/linux/kern_levels.h:5:18: warning: format '%llx' expects
> argument of type 'long long unsigned int', but argument 19 has type
> 'long int' [-Wformat=]
>  #define KERN_SOH "\001"  /* ASCII Start Of Header */
>                   ^~~~~~
> ./include/linux/kern_levels.h:8:20: note: in expansion of macro
> 'KERN_SOH'
>  #define KERN_EMERG KERN_SOH "0" /* system is unusable */
>                     ^~~~~~~~
> ./include/linux/printk.h:297:9: note: in expansion of macro 'KERN_EMERG'
>   printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
>          ^~~~~~~~~~
> mm/debug.c:133:2: note: in expansion of macro 'pr_emerg'
>   pr_emerg("mm %px mmap %px seqnum %llu task_size %lu\n"
>   ^~~~~~~~
> mm/debug.c:140:17: note: format string is defined here
>    "pinned_vm %llx data_vm %lx exec_vm %lx stack_vm %lx\n"
>               ~~~^
>               %lx
> 
> Fixes: 70f8a3ca68d3 ("mm: make mm->pinned_vm an atomic64 counter")
> Signed-off-by: Qian Cai <cai@xxxxxx>
> ---
>  mm/debug.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/mm/debug.c b/mm/debug.c
> index c0b31b6c3877..e4ec3d68833e 100644
> --- a/mm/debug.c
> +++ b/mm/debug.c
> @@ -137,7 +137,12 @@ void dump_mm(const struct mm_struct *mm)
>  		"mmap_base %lu mmap_legacy_base %lu highest_vm_end %lu\n"
>  		"pgd %px mm_users %d mm_count %d pgtables_bytes %lu map_count %d\n"
>  		"hiwater_rss %lx hiwater_vm %lx total_vm %lx locked_vm %lx\n"
> -		"pinned_vm %llx data_vm %lx exec_vm %lx stack_vm %lx\n"
> +#ifdef __powerpc64__
> +		"pinned_vm %lx "
> +#else
> +		"pinned_vm %llx "
> +#endif
> +		"data_vm %lx exec_vm %lx stack_vm %lx\n"
>  		"start_code %lx end_code %lx start_data %lx end_data %lx\n"
>  		"start_brk %lx brk %lx start_stack %lx\n"
>  		"arg_start %lx arg_end %lx env_start %lx env_end %lx\n"
> 




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