-----Original Message-----
> "__node_data" instead of "node_data" is used in the MIPS64 architecture,
> so "__node_data" is used to replace "node_data" to improve the use of
> next_online_pgdat() functions in the MIPS64 architecture.
> 
> E.g. Without this patch:
> ...
> MEMORY: 0
> ...
> 
> With this patch:
> ...
> MEMORY: 7.5 GB
> ...
> 
> Signed-off-by: Huacai Chen <[email protected]>
> Signed-off-by: Youling Tang <[email protected]>
> ---
> v1 -> v2:
>  - Add corresponding comments.
> 
>  memory.c | 31 +++++++++++++++++++++----------
>  1 file changed, 21 insertions(+), 10 deletions(-)
> 
> diff --git a/memory.c b/memory.c
> index 33b0ca7..cea49da 100644
> --- a/memory.c
> +++ b/memory.c
> @@ -17819,23 +17819,32 @@ next_online_pgdat(int node)
>  {
>          char buf[BUFSIZE];
>       ulong pgdat;
> 

Note: This emply line needs to be removed to apply the patch..

Thanks,
Kazu

> +/*
> + * "__node_data" is used in the mips64 architecture,
> + * and "node_data" is used in other architectures.
> + */
> +#ifndef __mips64
> +#define NODE_DATA_VAR "node_data"
> +#else
> +#define NODE_DATA_VAR "__node_data"
> +#endif
> 
>       /*
> -      *  Default -- look for type: struct pglist_data node_data[]
> +      *  Default -- look for type:  node_data[]/__node_data[]
>        */
>       if (LKCD_KERNTYPES()) {
> -             if (!kernel_symbol_exists("node_data"))
> +             if (!kernel_symbol_exists(NODE_DATA_VAR))
>                       goto pgdat2;
>               /*
> -              *  Just index into node_data[] without checking that it is
> -              *  an array; kerntypes have no such symbol information.
> +              *  Just index into node_data[]/__node_data[] without checking 
> that
> +              *  it is an array; kerntypes have no such symbol information.
>                */
>       } else {
> -             if (get_symbol_type("node_data", NULL, NULL) != TYPE_CODE_ARRAY)
> +             if (get_symbol_type(NODE_DATA_VAR, NULL, NULL) != 
> TYPE_CODE_ARRAY)
>                       goto pgdat2;
> 
>               open_tmpfile();
> -             sprintf(buf, "whatis node_data");
> +             sprintf(buf, "whatis " NODE_DATA_VAR);
>               if (!gdb_pass_through(buf, fp, GNU_RETURN_ON_ERROR)) {
>                       close_tmpfile();
>                       goto pgdat2;
> @@ -17848,14 +17857,15 @@ next_online_pgdat(int node)
>               close_tmpfile();
> 
>               if ((!strstr(buf, "struct pglist_data *") &&
> -                  !strstr(buf, "pg_data_t *")) ||
> +                  !strstr(buf, "pg_data_t *") &&
> +                  !strstr(buf, "struct node_data *")) ||
>                   (count_chars(buf, '[') != 1) ||
>                   (count_chars(buf, ']') != 1))
>                       goto pgdat2;
>       }
> 
> -     if (!readmem(symbol_value("node_data") + (node * sizeof(void *)),
> -         KVADDR, &pgdat, sizeof(void *), "node_data", RETURN_ON_ERROR) ||
> +     if (!readmem(symbol_value(NODE_DATA_VAR) + (node * sizeof(void *)),
> +         KVADDR, &pgdat, sizeof(void *), NODE_DATA_VAR, RETURN_ON_ERROR) ||
>           !IS_KVADDR(pgdat))
>               goto pgdat2;
> 
> @@ -17883,7 +17893,8 @@ pgdat2:
>               close_tmpfile();
> 
>               if ((!strstr(buf, "struct pglist_data *") &&
> -                  !strstr(buf, "pg_data_t *")) ||
> +                  !strstr(buf, "pg_data_t *") &&
> +                  !strstr(buf, "struct node_data *")) ||
>                   (count_chars(buf, '[') != 1) ||
>                   (count_chars(buf, ']') != 1))
>                       goto pgdat3;
> --
> 2.1.0


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