mm: introduce mm_populate() for populating new vmas

[deliverable/linux.git] / mm / nommu.c

diff --git a/mm/nommu.c b/mm/nommu.c
index 79c3cac87afa1d1f96fc9397f50bb370980e0a84..7296a5a280e7d798b10718bf1cd9998fa0f640a3 100644 (file)
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -29,6 +29,7 @@
 #include <linux/security.h>
 #include <linux/syscalls.h>
 #include <linux/audit.h>
+#include <linux/sched/sysctl.h>
 
 #include <asm/uaccess.h>
 #include <asm/tlb.h>
@@ -1249,7 +1250,8 @@ unsigned long do_mmap_pgoff(struct file *file,
                            unsigned long len,
                            unsigned long prot,
                            unsigned long flags,
-                           unsigned long pgoff)
+                           unsigned long pgoff,
+                           bool *populate)
 {
        struct vm_area_struct *vma;
        struct vm_region *region;
@@ -1259,6 +1261,8 @@ unsigned long do_mmap_pgoff(struct file *file,
 
        kenter(",%lx,%lx,%lx,%lx,%lx", addr, len, prot, flags, pgoff);
 
+       *populate = false;
+
        /* decide whether we should attempt the mapping, and if so what sort of
         * mapping */
        ret = validate_mmap_request(file, addr, len, prot, flags, pgoff,