Messages in this thread Patch in this message | | | From | Joonsoo Kim <> | Subject | [PATCH v2 04/10] mm, hugetlb: clean-up alloc_huge_page() | Date | Mon, 22 Jul 2013 17:36:25 +0900 |
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We can unify some codes for succeed allocation. This makes code more readable. There is no functional difference.
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index d21a33a..83edd17 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1146,12 +1146,7 @@ static struct page *alloc_huge_page(struct vm_area_struct *vma, } spin_lock(&hugetlb_lock); page = dequeue_huge_page_vma(h, vma, addr, avoid_reserve); - if (page) { - /* update page cgroup details */ - hugetlb_cgroup_commit_charge(idx, pages_per_huge_page(h), - h_cg, page); - spin_unlock(&hugetlb_lock); - } else { + if (!page) { spin_unlock(&hugetlb_lock); page = alloc_buddy_huge_page(h, NUMA_NO_NODE); if (!page) { @@ -1162,11 +1157,11 @@ static struct page *alloc_huge_page(struct vm_area_struct *vma, return ERR_PTR(-ENOSPC); } spin_lock(&hugetlb_lock); - hugetlb_cgroup_commit_charge(idx, pages_per_huge_page(h), - h_cg, page); list_move(&page->lru, &h->hugepage_activelist); - spin_unlock(&hugetlb_lock); + /* Fall through */ } + hugetlb_cgroup_commit_charge(idx, pages_per_huge_page(h), h_cg, page); + spin_unlock(&hugetlb_lock); set_page_private(page, (unsigned long)spool); -- 1.7.9.5
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