diff options
| -rw-r--r-- | include/linux/swap.h | 11 | ||||
| -rw-r--r-- | mm/swapfile.c | 3 |
2 files changed, 12 insertions, 2 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h index 8e2c11e692ba..77221c16733a 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -232,7 +232,6 @@ struct swap_info_struct { unsigned long flags; /* SWP_USED etc: see above */ signed short prio; /* swap priority of this type */ struct plist_node list; /* entry in swap_active_head */ - struct plist_node avail_lists[MAX_NUMNODES];/* entry in swap_avail_heads */ signed char type; /* strange name for an index */ unsigned int max; /* extent of the swap_map */ unsigned char *swap_map; /* vmalloc'ed array of usage counts */ @@ -273,6 +272,16 @@ struct swap_info_struct { */ struct work_struct discard_work; /* discard worker */ struct swap_cluster_list discard_clusters; /* discard clusters list */ + struct plist_node avail_lists[0]; /* + * entries in swap_avail_heads, one + * entry per node. + * Must be last as the number of the + * array is nr_node_ids, which is not + * a fixed value so have to allocate + * dynamically. + * And it has to be an array so that + * plist_for_each_* can work. + */ }; #ifdef CONFIG_64BIT diff --git a/mm/swapfile.c b/mm/swapfile.c index 67aaf7ae22ff..340ef3177686 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -2820,8 +2820,9 @@ static struct swap_info_struct *alloc_swap_info(void) struct swap_info_struct *p; unsigned int type; int i; + int size = sizeof(*p) + nr_node_ids * sizeof(struct plist_node); - p = kvzalloc(sizeof(*p), GFP_KERNEL); + p = kvzalloc(size, GFP_KERNEL); if (!p) return ERR_PTR(-ENOMEM); |