uninline arch_pick_mmap_layout()

[linux-2.6-omap-h63xx.git] / mm / util.c

diff --git a/mm/util.c b/mm/util.c
index bf340d80686884bf765dc696a73f7fd840842e8f..0efd83097ecf94aa7bceeb08737bc29caa74e91b 100644 (file)
--- a/mm/util.c
+++ b/mm/util.c
@@ -1,3 +1,4 @@
+#include <linux/mm.h>
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/module.h>
@@ -81,20 +82,22 @@ EXPORT_SYMBOL(kmemdup);
 void *krealloc(const void *p, size_t new_size, gfp_t flags)
 {
        void *ret;
-       size_t ks;
+       size_t ks = 0;
 
        if (unlikely(!new_size)) {
                kfree(p);
                return ZERO_SIZE_PTR;
        }
 
-       ks = ksize(p);
+       if (p)
+               ks = ksize(p);
+
        if (ks >= new_size)
                return (void *)p;
 
        ret = kmalloc_track_caller(new_size, flags);
-       if (ret) {
-               memcpy(ret, p, min(new_size, ks));
+       if (ret && p) {
+               memcpy(ret, p, ks);
                kfree(p);
        }
        return ret;
@@ -134,3 +137,12 @@ char *strndup_user(const char __user *s, long n)
        return p;
 }
 EXPORT_SYMBOL(strndup_user);
+
+#ifndef HAVE_ARCH_PICK_MMAP_LAYOUT
+void arch_pick_mmap_layout(struct mm_struct *mm)
+{
+       mm->mmap_base = TASK_UNMAPPED_BASE;
+       mm->get_unmapped_area = arch_get_unmapped_area;
+       mm->unmap_area = arch_unmap_area;
+}
+#endif