@@ -33,6 +33,8 @@
/* bdi_wq serves all asynchronous writeback tasks */
struct workqueue_struct *bdi_wq;
+#define K(x) ((x) << (PAGE_SHIFT - 10))
+
#ifdef CONFIG_DEBUG_FS
#include <linux/debugfs.h>
#include <linux/seq_file.h>
@@ -70,7 +72,6 @@ static int bdi_debug_stats_show(struct seq_file *m, void *v)
global_dirty_limits(&background_thresh, &dirty_thresh);
wb_thresh = wb_calc_thresh(wb, dirty_thresh);
-#define K(x) ((x) << (PAGE_SHIFT - 10))
seq_printf(m,
"BdiWriteback: %10lu kB\n"
"BdiReclaimable: %10lu kB\n"
@@ -99,7 +100,6 @@ static int bdi_debug_stats_show(struct seq_file *m, void *v)
nr_more_io,
nr_dirty_time,
!list_empty(&bdi->bdi_list), bdi->wb.state);
-#undef K
return 0;
}
@@ -147,8 +147,6 @@ static ssize_t read_ahead_kb_store(struct device *dev,
return count;
}
-#define K(pages) ((pages) << (PAGE_SHIFT - 10))
-
#define BDI_SHOW(name, expr) \
static ssize_t name##_show(struct device *dev, \
struct device_attribute *attr, char *buf) \
Move the K() macro a little forward to remove the same macro definition. Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com> --- mm/backing-dev.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)