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authorXin Hao <xhao@linux.alibaba.com>2022-01-14 14:09:53 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2022-01-15 16:30:32 +0200
commit9b2a38d6ef25c1748e3964b0ff30a89e4ed26583 (patch)
tree2b57130d69ee33988be17c876f4a3ea2b6d292dc /mm/damon
parentc89ae63eb0662b6c9f82dbfad3ef010239b8c1b1 (diff)
downloadlinux-9b2a38d6ef25c1748e3964b0ff30a89e4ed26583.tar.bz2
mm/damon: move damon_rand() definition into damon.h
damon_rand() is called in three files:damon/core.c, damon/ paddr.c, damon/vaddr.c, i think there is no need to redefine this twice, So move it to damon.h will be a good choice. Link: https://lkml.kernel.org/r/20211202075859.51341-1-xhao@linux.alibaba.com Signed-off-by: Xin Hao <xhao@linux.alibaba.com> Reviewed-by: SeongJae Park <sj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/damon')
-rw-r--r--mm/damon/core.c4
-rw-r--r--mm/damon/prmtv-common.h4
2 files changed, 0 insertions, 8 deletions
diff --git a/mm/damon/core.c b/mm/damon/core.c
index 04b8df7fd9e9..61e844d15b13 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -11,7 +11,6 @@
#include <linux/delay.h>
#include <linux/kthread.h>
#include <linux/mm.h>
-#include <linux/random.h>
#include <linux/slab.h>
#include <linux/string.h>
@@ -23,9 +22,6 @@
#define DAMON_MIN_REGION 1
#endif
-/* Get a random number in [l, r) */
-#define damon_rand(l, r) (l + prandom_u32_max(r - l))
-
static DEFINE_MUTEX(damon_lock);
static int nr_running_ctxs;
diff --git a/mm/damon/prmtv-common.h b/mm/damon/prmtv-common.h
index 61f27037603e..e790cb5f8fe0 100644
--- a/mm/damon/prmtv-common.h
+++ b/mm/damon/prmtv-common.h
@@ -6,10 +6,6 @@
*/
#include <linux/damon.h>
-#include <linux/random.h>
-
-/* Get a random number in [l, r) */
-#define damon_rand(l, r) (l + prandom_u32_max(r - l))
struct page *damon_get_page(unsigned long pfn);