diff options
| author | Miaohe Lin <linmiaohe@huawei.com> | 2021-02-24 21:07:36 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-02-24 22:38:33 +0100 |
| commit | 8938494c8567ebd9ebf2a230e1707ee1f9805342 (patch) | |
| tree | 531d73a2a6601b1c191c1eda9bd12f892627fd88 /mm/hugetlb_cgroup.c | |
| parent | mm/pmem: avoid inserting hugepage PTE entry with fsdax if hugepage support is... (diff) | |
| download | linux-8938494c8567ebd9ebf2a230e1707ee1f9805342.tar.xz linux-8938494c8567ebd9ebf2a230e1707ee1f9805342.zip | |
hugetlb_cgroup: use helper pages_per_huge_page() in hugetlb_cgroup
We could use helper function pages_per_huge_page() to get the number of
pages in a hstate to simplify the code slightly.
Link: https://lkml.kernel.org/r/20210205084513.29624-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/hugetlb_cgroup.c')
| -rw-r--r-- | mm/hugetlb_cgroup.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/hugetlb_cgroup.c b/mm/hugetlb_cgroup.c index 9182848dda3e..f68b51fcda3d 100644 --- a/mm/hugetlb_cgroup.c +++ b/mm/hugetlb_cgroup.c @@ -113,7 +113,7 @@ static void hugetlb_cgroup_init(struct hugetlb_cgroup *h_cgroup, rsvd_parent); limit = round_down(PAGE_COUNTER_MAX, - 1 << huge_page_order(&hstates[idx])); + pages_per_huge_page(&hstates[idx])); ret = page_counter_set_max( hugetlb_cgroup_counter_from_cgroup(h_cgroup, idx), @@ -460,7 +460,7 @@ static int hugetlb_cgroup_read_u64_max(struct seq_file *seq, void *v) counter = &h_cg->hugepage[idx]; limit = round_down(PAGE_COUNTER_MAX, - 1 << huge_page_order(&hstates[idx])); + pages_per_huge_page(&hstates[idx])); switch (MEMFILE_ATTR(cft->private)) { case RES_RSVD_USAGE: @@ -507,7 +507,7 @@ static ssize_t hugetlb_cgroup_write(struct kernfs_open_file *of, return ret; idx = MEMFILE_IDX(of_cft(of)->private); - nr_pages = round_down(nr_pages, 1 << huge_page_order(&hstates[idx])); + nr_pages = round_down(nr_pages, pages_per_huge_page(&hstates[idx])); switch (MEMFILE_ATTR(of_cft(of)->private)) { case RES_RSVD_LIMIT: |