Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

lib/Kconfig.debug

@@ -219,7 +219,8 @@ config FRAME_WARN
 	range 0 8192
 	default 0 if KASAN
 	default 2048 if GCC_PLUGIN_LATENT_ENTROPY
-	default 1024 if !64BIT
+	default 1280 if (!64BIT && PARISC)
+	default 1024 if (!64BIT && !PARISC)
 	default 2048 if 64BIT
 	help
 	  Tell gcc to warn at build time for stack frames larger than this.

lib/iov_iter.c

@@ -687,8 +687,10 @@ EXPORT_SYMBOL(_copy_from_iter_full_nocache);
 
 static inline bool page_copy_sane(struct page *page, size_t offset, size_t n)
 {
-	size_t v = n + offset;
-	if (likely(n <= v && v <= (PAGE_SIZE << compound_order(page))))
+	struct page *head = compound_head(page);
+	size_t v = n + offset + page_address(page) - page_address(head);
+
+	if (likely(n <= v && v <= (PAGE_SIZE << compound_order(head))))
 		return true;
 	WARN_ON(1);
 	return false;

lib/rhashtable.c

@@ -735,9 +735,9 @@ EXPORT_SYMBOL_GPL(rhashtable_walk_exit);
  * rhashtable_walk_start - Start a hash table walk
  * @iter:	Hash table iterator
  *
- * Start a hash table walk.  Note that we take the RCU lock in all
- * cases including when we return an error.  So you must always call
- * rhashtable_walk_stop to clean up.
+ * Start a hash table walk at the current iterator position.  Note that we take
+ * the RCU lock in all cases including when we return an error.  So you must
+ * always call rhashtable_walk_stop to clean up.
  *
  * Returns zero if successful.
  *
@@ -846,7 +846,8 @@ EXPORT_SYMBOL_GPL(rhashtable_walk_next);
  * rhashtable_walk_stop - Finish a hash table walk
  * @iter:	Hash table iterator
  *
- * Finish a hash table walk.
+ * Finish a hash table walk.  Does not reset the iterator to the start of the
+ * hash table.
  */
 void rhashtable_walk_stop(struct rhashtable_iter *iter)
 	__releases(RCU)