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-rw-r--r--fs/proc/proc_misc.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 1d75d6ab689..a60a3b3d8a7 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -126,6 +126,7 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
unsigned long committed;
unsigned long allowed;
struct vmalloc_info vmi;
+ long cached;
get_page_state(&ps);
get_zone_counts(&active, &inactive, &free);
@@ -140,6 +141,10 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
allowed = ((totalram_pages - hugetlb_total_pages())
* sysctl_overcommit_ratio / 100) + total_swap_pages;
+ cached = get_page_cache_size() - total_swapcache_pages - i.bufferram;
+ if (cached < 0)
+ cached = 0;
+
get_vmalloc_info(&vmi);
/*
@@ -172,7 +177,7 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
K(i.totalram),
K(i.freeram),
K(i.bufferram),
- K(get_page_cache_size()-total_swapcache_pages-i.bufferram),
+ K(cached),
K(total_swapcache_pages),
K(active),
K(inactive),