[PATCH 3/6] hugetlb_cgroup: hugetlbfs: use helper macro SZ_1{K,M,G}

From: Miaohe Lin
Date: Thu Jul 28 2022 - 08:20:23 EST


Use helper macro SZ_1K, SZ_1M and SZ_1G to do the size conversion. Minor
readability improvement.

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
mm/hugetlb_cgroup.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/mm/hugetlb_cgroup.c b/mm/hugetlb_cgroup.c
index 99e9a367e1e5..7e0bca52c40f 100644
--- a/mm/hugetlb_cgroup.c
+++ b/mm/hugetlb_cgroup.c
@@ -674,12 +674,12 @@ static ssize_t hugetlb_cgroup_reset(struct kernfs_open_file *of,

static char *mem_fmt(char *buf, int size, unsigned long hsize)
{
- if (hsize >= (1UL << 30))
- snprintf(buf, size, "%luGB", hsize >> 30);
- else if (hsize >= (1UL << 20))
- snprintf(buf, size, "%luMB", hsize >> 20);
+ if (hsize >= SZ_1G)
+ snprintf(buf, size, "%luGB", hsize / SZ_1G);
+ else if (hsize >= SZ_1M)
+ snprintf(buf, size, "%luMB", hsize / SZ_1M);
else
- snprintf(buf, size, "%luKB", hsize >> 10);
+ snprintf(buf, size, "%luKB", hsize / SZ_1K);
return buf;
}

--
2.23.0