[Devel] Re: [PATCH 11/13] BC: vmrss (preparations)
Kirill Korotaev
dev at sw.ru
Wed Sep 6 06:59:23 PDT 2006
Thanks a lot!!!
> Kirill Korotaev wrote:
>
> <snip>
>
>>--- ./include/bc/beancounter.h.bcvmrssprep 2006-09-05
>>13:17:50.000000000 +0400
>>+++ ./include/bc/beancounter.h 2006-09-05 13:44:33.000000000 +0400
>>@@ -45,6 +45,13 @@ struct bc_resource_parm {
>>#define BC_MAXVALUE LONG_MAX
>>
>>/*
>>+ * This magic is used to distinuish user beancounter and pages beancounter
>>+ * in struct page. page_ub and page_bc are placed in union and MAGIC
>>+ * ensures us that we don't use pbc as ubc in bc_page_uncharge().
>>+ */
>>+#define BC_MAGIC 0x62756275UL
>>+
>>+/*
>> * Resource management structures
>> * Serialization issues:
>> * beancounter list management is protected via bc_hash_lock
>>@@ -54,11 +61,13 @@ struct bc_resource_parm {
>> */
>>
>>struct beancounter {
>>+ unsigned long bc_magic;
>> atomic_t bc_refcount;
>> spinlock_t bc_lock;
>> bcid_t bc_id;
>> struct hlist_node hash;
>>
>>+ unsigned long unused_privvmpages;
>> /* resources statistics and settings */
>> struct bc_resource_parm bc_parms[BC_RESOURCES];
>>};
>>@@ -74,6 +83,8 @@ enum bc_severity { BC_BARRIER, BC_LIMIT,
>>
>>#ifdef CONFIG_BEANCOUNTERS
>>
>>+extern unsigned int nr_beancounters = 1;
>>+
>
>
> my gcc doesn't like this one ...
>
> regards,
>
> C.
>
> Signed-off-by: Cedric Le Goater <clg at fr.ibm.com>
>
> ---
> include/bc/beancounter.h | 2 +-
> kernel/bc/beancounter.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> Index: 2.6.18-rc5-mm1/include/bc/beancounter.h
> ===================================================================
> --- 2.6.18-rc5-mm1.orig/include/bc/beancounter.h
> +++ 2.6.18-rc5-mm1/include/bc/beancounter.h
> @@ -86,7 +86,7 @@ enum bc_severity { BC_BARRIER, BC_LIMIT,
>
> #ifdef CONFIG_BEANCOUNTERS
>
> -extern unsigned int nr_beancounters = 1;
> +extern unsigned int nr_beancounters;
>
> /*
> * These functions tune minheld and maxheld values for a given
> Index: 2.6.18-rc5-mm1/kernel/bc/beancounter.c
> ===================================================================
> --- 2.6.18-rc5-mm1.orig/kernel/bc/beancounter.c
> +++ 2.6.18-rc5-mm1/kernel/bc/beancounter.c
> @@ -20,7 +20,7 @@ static void init_beancounter_struct(stru
>
> struct beancounter init_bc;
>
> -unsigned int nr_beancounters;
> +unsigned int nr_beancounters = 1;
>
> const char *bc_rnames[] = {
> "kmemsize", /* 0 */
>
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