mm, memcg: give exiting processes access to memory reserves

[platform/adaptation/renesas_rcar/renesas_kernel.git] / mm / rmap.c

diff --git a/mm/rmap.c b/mm/rmap.c
index 807c96b..6280da8 100644 (file)
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1513,6 +1513,9 @@ static int try_to_unmap_file(struct page *page, enum ttu_flags flags)
        unsigned long max_nl_size = 0;
        unsigned int mapcount;
 
+       if (PageHuge(page))
+               pgoff = page->index << compound_order(page);
+
        mutex_lock(&mapping->i_mmap_mutex);
        vma_interval_tree_foreach(vma, &mapping->i_mmap, pgoff, pgoff) {
                unsigned long address = vma_address(page, vma);