diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/pagemap.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 427b696f484b..4da205f3cb26 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -8,6 +8,7 @@ #include <linux/fs.h> #include <linux/list.h> #include <linux/highmem.h> +#include <linux/compiler.h> #include <asm/uaccess.h> #include <linux/gfp.h> @@ -136,7 +137,10 @@ static inline void pagecache_acct(int count) static inline unsigned long get_page_cache_size(void) { - return atomic_read(&nr_pagecache); + int ret = atomic_read(&nr_pagecache); + if (unlikely(ret < 0)) + ret = 0; + return ret; } static inline pgoff_t linear_page_index(struct vm_area_struct *vma, |