[PATCH] zoned-vm-counters: remove read_page_state()

No callers.

Cc: Christoph Lameter <clameter@engr.sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 5b5b96a..5fad161 100644 (file)
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -70,13 +70,9 @@ struct page_state {
 };
 
 extern void get_full_page_state(struct page_state *ret);
-extern unsigned long read_page_state_offset(unsigned long offset);
 extern void mod_page_state_offset(unsigned long offset, unsigned long delta);
 extern void __mod_page_state_offset(unsigned long offset, unsigned long delta);
 
-#define read_page_state(member) \
-       read_page_state_offset(offsetof(struct page_state, member))
-
 #define mod_page_state(member, delta)  \
        mod_page_state_offset(offsetof(struct page_state, member), (delta))
 

diff --git a/mm/vmstat.c b/mm/vmstat.c
index 25e5ca7..06a6d10 100644 (file)
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -52,20 +52,6 @@ void get_full_page_state(struct page_state *ret)
        __get_page_state(ret, sizeof(*ret) / sizeof(unsigned long), &mask);
 }
 
-unsigned long read_page_state_offset(unsigned long offset)
-{
-       unsigned long ret = 0;
-       int cpu;
-
-       for_each_online_cpu(cpu) {
-               unsigned long in;
-
-               in = (unsigned long)&per_cpu(page_states, cpu) + offset;
-               ret += *((unsigned long *)in);
-       }
-       return ret;
-}
-
 void __mod_page_state_offset(unsigned long offset, unsigned long delta)
 {
        void *ptr;