sched: reorder SCHED_FEAT_ bits

[sfrench/cifs-2.6.git] / mm / migrate.c

diff --git a/mm/migrate.c b/mm/migrate.c
index e2fdbce1874b4ff7a481621b6c5a3285d8d75260..6a207e8d17ea3f74f0e20511fc726fe80ac47fb1 100644 (file)
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -19,6 +19,7 @@
 #include <linux/pagemap.h>
 #include <linux/buffer_head.h>
 #include <linux/mm_inline.h>
+#include <linux/nsproxy.h>
 #include <linux/pagevec.h>
 #include <linux/rmap.h>
 #include <linux/topology.h>
@@ -171,6 +172,7 @@ static void remove_migration_pte(struct vm_area_struct *vma,
        pte = pte_mkold(mk_pte(new, vma->vm_page_prot));
        if (is_write_migration_entry(entry))
                pte = pte_mkwrite(pte);
+       flush_cache_page(vma, addr, pte_pfn(pte));
        set_pte_at(mm, addr, ptep, pte);
 
        if (PageAnon(new))
@@ -180,7 +182,6 @@ static void remove_migration_pte(struct vm_area_struct *vma,
 
        /* No need to invalidate - it was non-present before */
        update_mmu_cache(vma, addr, pte);
-       lazy_mmu_prot_update(pte);
 
 out:
        pte_unmap_unlock(ptep, ptl);
@@ -705,7 +706,7 @@ move_newpage:
  * The function returns after 10 attempts or if no pages
  * are movable anymore because to has become empty
  * or no retryable pages exist anymore. All pages will be
- * retruned to the LRU or freed.
+ * returned to the LRU or freed.
  *
  * Return: Number of pages not migrated or error code.
  */
@@ -924,7 +925,7 @@ asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
 
        /* Find the mm_struct */
        read_lock(&tasklist_lock);
-       task = pid ? find_task_by_pid(pid) : current;
+       task = pid ? find_task_by_vpid(pid) : current;
        if (!task) {
                read_unlock(&tasklist_lock);
                return -ESRCH;
@@ -972,7 +973,7 @@ asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
         * array. Return various errors if the user did something wrong.
         */
        for (i = 0; i < nr_pages; i++) {
-               const void *p;
+               const void __user *p;
 
                err = -EFAULT;
                if (get_user(p, pages + i))
@@ -986,7 +987,7 @@ asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
                                goto out;
 
                        err = -ENODEV;
-                       if (!node_online(node))
+                       if (!node_state(node, N_HIGH_MEMORY))
                                goto out;
 
                        err = -EACCES;