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Subject[PATCH] hugetlbfs: show pagesize in unit of GB if possible
Date
Hugepage size in unit of GB is supported. We could show pagesize in unit of
GB to make it more friendly to read. Also rework the calculation code of
page size unit to make it more readable.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
fs/hugetlbfs/inode.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 3a08fbae3b53..40a9795f250a 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -1014,11 +1014,15 @@ static int hugetlbfs_show_options(struct seq_file *m, struct dentry *root)
if (sbinfo->max_inodes != -1)
seq_printf(m, ",nr_inodes=%lu", sbinfo->max_inodes);

- hpage_size /= 1024;
- mod = 'K';
- if (hpage_size >= 1024) {
- hpage_size /= 1024;
+ if (hpage_size >= SZ_1G) {
+ hpage_size /= SZ_1G;
+ mod = 'G';
+ } else if (hpage_size >= SZ_1M) {
+ hpage_size /= SZ_1M;
mod = 'M';
+ } else {
+ hpage_size /= SZ_1K;
+ mod = 'K';
}
seq_printf(m, ",pagesize=%lu%c", hpage_size, mod);
if (spool) {
--
2.19.1
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