mm: per-thread vma caching

[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / proc / task_mmu.c

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index fb52b54..c4b2646 100644 (file)
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -1,4 +1,5 @@
 #include <linux/mm.h>
+#include <linux/vmacache.h>
 #include <linux/hugetlb.h>
 #include <linux/huge_mm.h>
 #include <linux/mount.h>
@@ -152,7 +153,7 @@ static void *m_start(struct seq_file *m, loff_t *pos)
 
        /*
         * We remember last_addr rather than next_addr to hit with
-        * mmap_cache most of the time. We have zero last_addr at
+        * vmacache most of the time. We have zero last_addr at
         * the beginning and also after lseek. We will have -1 last_addr
         * after the end of the vmas.
         */
@@ -1350,7 +1351,7 @@ static int gather_hugetbl_stats(pte_t *pte, unsigned long hmask,
        struct numa_maps *md;
        struct page *page;
 
-       if (pte_none(*pte))
+       if (!pte_present(*pte))
                return 0;
 
        page = pte_page(*pte);