diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/cma.h | 3 | ||||
| -rw-r--r-- | mm/cma_debug.c | 7 |
2 files changed, 7 insertions, 3 deletions
@@ -2,6 +2,8 @@ #ifndef __MM_CMA_H__ #define __MM_CMA_H__ +#include <linux/debugfs.h> + struct cma { unsigned long base_pfn; unsigned long count; @@ -11,6 +13,7 @@ struct cma { #ifdef CONFIG_CMA_DEBUGFS struct hlist_head mem_head; spinlock_t mem_head_lock; + struct debugfs_u32_array dfs_bitmap; #endif const char *name; }; diff --git a/mm/cma_debug.c b/mm/cma_debug.c index 4e6cbe2f586e..d5bf8aa34fdc 100644 --- a/mm/cma_debug.c +++ b/mm/cma_debug.c @@ -164,7 +164,6 @@ static void cma_debugfs_add_one(struct cma *cma, struct dentry *root_dentry) { struct dentry *tmp; char name[16]; - int u32s; scnprintf(name, sizeof(name), "cma-%s", cma->name); @@ -180,8 +179,10 @@ static void cma_debugfs_add_one(struct cma *cma, struct dentry *root_dentry) debugfs_create_file("used", 0444, tmp, cma, &cma_used_fops); debugfs_create_file("maxchunk", 0444, tmp, cma, &cma_maxchunk_fops); - u32s = DIV_ROUND_UP(cma_bitmap_maxno(cma), BITS_PER_BYTE * sizeof(u32)); - debugfs_create_u32_array("bitmap", 0444, tmp, (u32 *)cma->bitmap, u32s); + cma->dfs_bitmap.array = (u32 *)cma->bitmap; + cma->dfs_bitmap.n_elements = DIV_ROUND_UP(cma_bitmap_maxno(cma), + BITS_PER_BYTE * sizeof(u32)); + debugfs_create_u32_array("bitmap", 0444, tmp, &cma->dfs_bitmap); } static int __init cma_debugfs_init(void) |