diff options
Diffstat (limited to 'mm/internal.h')
| -rw-r--r-- | mm/internal.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/mm/internal.h b/mm/internal.h index 0034e947e4bc..a7ee05253294 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -59,4 +59,31 @@ static inline unsigned long page_order(struct page *page) #define __paginginit __init #endif +/* Memory initialisation debug and verification */ +enum mminit_level { + MMINIT_WARNING, + MMINIT_VERIFY, + MMINIT_TRACE +}; + +#ifdef CONFIG_DEBUG_MEMORY_INIT + +extern int mminit_loglevel; + +#define mminit_dprintk(level, prefix, fmt, arg...) \ +do { \ + if (level < mminit_loglevel) { \ + printk(level <= MMINIT_WARNING ? KERN_WARNING : KERN_DEBUG); \ + printk(KERN_CONT "mminit::" prefix " " fmt, ##arg); \ + } \ +} while (0) + +#else + +static inline void mminit_dprintk(enum mminit_level level, + const char *prefix, const char *fmt, ...) +{ +} + +#endif /* CONFIG_DEBUG_MEMORY_INIT */ #endif |