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authorDan Magenheimer <dan.magenheimer@oracle.com>2012-09-06 10:01:14 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-09-07 22:05:03 -0700
commit7892e560d463a556664f82188602ab3425533049 (patch)
tree4af8901c0525778619ff8a4033cbd847343d62f2 /drivers/staging/ramster
parent20659455402fca01a92de7a70a45f43785804fa7 (diff)
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staging: ramster: fix build warnings
Fix build warnings resulting from in-progress work that was not entirely ifdef'd out. Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/ramster')
-rw-r--r--drivers/staging/ramster/zcache-main.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/staging/ramster/zcache-main.c b/drivers/staging/ramster/zcache-main.c
index 86e19d6d3b8..a09dd5cc1ce 100644
--- a/drivers/staging/ramster/zcache-main.c
+++ b/drivers/staging/ramster/zcache-main.c
@@ -449,16 +449,18 @@ static struct page *zcache_alloc_page(void)
return page;
}
+#ifdef FRONTSWAP_HAS_UNUSE
static void zcache_unacct_page(void)
{
zcache_pageframes_freed =
atomic_inc_return(&zcache_pageframes_freed_atomic);
}
+#endif
static void zcache_free_page(struct page *page)
{
long curr_pageframes;
- static long max_pageframes, min_pageframes, total_freed;
+ static long max_pageframes, min_pageframes;
if (page == NULL)
BUG();
@@ -965,9 +967,10 @@ out:
return page;
}
+#ifdef FRONTSWAP_HAS_UNUSE
static void unswiz(struct tmem_oid oid, u32 index,
unsigned *type, pgoff_t *offset);
-#ifdef FRONTSWAP_HAS_UNUSE
+
/*
* Choose an LRU persistent pageframe and attempt to "unuse" it by
* calling frontswap_unuse on both zpages.
@@ -1060,7 +1063,9 @@ static int shrink_zcache_memory(struct shrinker *shrink,
int nr_evict = 0;
int nr_unuse = 0;
struct page *page;
+#ifdef FRONTSWAP_HAS_UNUSE
int unuse_ret;
+#endif
if (nr <= 0)
goto skip_evict;
@@ -1519,6 +1524,7 @@ static inline struct tmem_oid oswiz(unsigned type, u32 ind)
return oid;
}
+#ifdef FRONTSWAP_HAS_UNUSE
static void unswiz(struct tmem_oid oid, u32 index,
unsigned *type, pgoff_t *offset)
{
@@ -1526,6 +1532,7 @@ static void unswiz(struct tmem_oid oid, u32 index,
*offset = (pgoff_t)((index << SWIZ_BITS) |
(oid.oid[0] & SWIZ_MASK));
}
+#endif
static int zcache_frontswap_put_page(unsigned type, pgoff_t offset,
struct page *page)
@@ -1535,7 +1542,6 @@ static int zcache_frontswap_put_page(unsigned type, pgoff_t offset,
struct tmem_oid oid = oswiz(type, ind);
int ret = -1;
unsigned long flags;
- int unuse_ret;
BUG_ON(!PageLocked(page));
if (!disable_frontswap_ignore_nonactive && !PageWasActive(page)) {