Re: [PATCH 11/13] BC: vmrss (preparations)

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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 <[email protected]>

---
 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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