diff options
| -rw-r--r-- | mm/hugetlb.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index efd78527ad1e..8fb86ba452b0 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -403,14 +403,14 @@ static void try_to_free_low(unsigned long count) for (i = 0; i < MAX_NUMNODES; ++i) { struct page *page, *next; list_for_each_entry_safe(page, next, &hugepage_freelists[i], lru) { + if (count >= nr_huge_pages) + return; if (PageHighMem(page)) continue; list_del(&page->lru); update_and_free_page(page); free_huge_pages--; free_huge_pages_node[page_to_nid(page)]--; - if (count >= nr_huge_pages) - return; } } } @@ -450,8 +450,6 @@ static unsigned long set_max_huge_pages(unsigned long count) goto out; } - if (count >= persistent_huge_pages) - goto out; /* * Decrease the pool size @@ -460,7 +458,8 @@ static unsigned long set_max_huge_pages(unsigned long count) * pages into surplus state as needed so the pool will shrink * to the desired size as pages become free. */ - min_count = max(count, resv_huge_pages); + min_count = resv_huge_pages + nr_huge_pages - free_huge_pages; + min_count = max(count, min_count); try_to_free_low(min_count); while (min_count < persistent_huge_pages) { struct page *page = dequeue_huge_page(NULL, 0); |