Merge branch 'next' into for-linus

Prepare input updates for 6.4 merge window.

1 files changed, 24 insertions, 2 deletions

diff --git a/mm/util.c b/mm/util.c
index b56c92fb910f..b8ed9dbc7fd5 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -120,7 +120,8 @@ EXPORT_SYMBOL(kstrndup);
  * @len: memory region length
  * @gfp: GFP mask to use
  *
- * Return: newly allocated copy of @src or %NULL in case of error
+ * Return: newly allocated copy of @src or %NULL in case of error,
+ * result is physically contiguous. Use kfree() to free.
  */
 void *kmemdup(const void *src, size_t len, gfp_t gfp)
 {
@@ -134,6 +135,27 @@ void *kmemdup(const void *src, size_t len, gfp_t gfp)
 EXPORT_SYMBOL(kmemdup);
 
 /**
+ * kvmemdup - duplicate region of memory
+ *
+ * @src: memory region to duplicate
+ * @len: memory region length
+ * @gfp: GFP mask to use
+ *
+ * Return: newly allocated copy of @src or %NULL in case of error,
+ * result may be not physically contiguous. Use kvfree() to free.
+ */
+void *kvmemdup(const void *src, size_t len, gfp_t gfp)
+{
+	void *p;
+
+	p = kvmalloc(len, gfp);
+	if (p)
+		memcpy(p, src, len);
+	return p;
+}
+EXPORT_SYMBOL(kvmemdup);
+
+/**
  * kmemdup_nul - Create a NUL-terminated string from unterminated data
  * @s: The data to stringify
  * @len: The size of the data
@@ -945,7 +967,7 @@ int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin)
 	if (percpu_counter_read_positive(&vm_committed_as) < allowed)
 		return 0;
 error:
-	pr_warn_ratelimited("%s: pid: %d, comm: %s, no enough memory for the allocation\n",
+	pr_warn_ratelimited("%s: pid: %d, comm: %s, not enough memory for the allocation\n",
 			    __func__, current->pid, current->comm);
 	vm_unacct_memory(pages);