mm: fix show_smap() for zone_device-pmd ranges

[cascardo/linux.git] / fs / proc / task_mmu.c

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 187d84e..f6fa99e 100644 (file)
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -581,6 +581,8 @@ static void smaps_pmd_entry(pmd_t *pmd, unsigned long addr,
                mss->anonymous_thp += HPAGE_PMD_SIZE;
        else if (PageSwapBacked(page))
                mss->shmem_thp += HPAGE_PMD_SIZE;
+       else if (is_zone_device_page(page))
+               /* pass */;
        else
                VM_BUG_ON_PAGE(1, page);
        smaps_account(mss, page, true, pmd_young(*pmd), pmd_dirty(*pmd));