[patch 126/173] hugetlb_cgroup: use helper pages_per_huge_page() in hugetlb_cgroup
STALE2048d
REVIEWED: 1 (0M)
From: Andrew Morton <akpm@linux-foundation.org>
Date: 2021-02-24 20:07:40
Also in:
mm-commits
1 review trailer.
From: Miaohe Lin <linmiaohe@huawei.com> Subject: 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 <redacted> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> --- mm/hugetlb_cgroup.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
--- a/mm/hugetlb_cgroup.c~hugetlb_cgroup-use-helper-pages_per_huge_page-in-hugetlb_cgroup
+++ a/mm/hugetlb_cgroup.c@@ -113,7 +113,7 @@ static void hugetlb_cgroup_init(struct h 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(s 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(stru 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:
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