mm, sparse: drop pgdat_resize_lock in sparse_add/remove_one_section()

[mirror_ubuntu-bionic-kernel.git] / include / linux / mmzone.h

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 953af0232023fff4c357500894e3bde31d7a8769..9df03d1afcbf0aaeced6ebf9ffd3fc54289e7da6 100644 (file)
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -637,8 +637,7 @@ typedef struct pglist_data {
 #ifdef CONFIG_MEMORY_HOTPLUG
        /*
         * Must be held any time you expect node_start_pfn, node_present_pages
-        * or node_spanned_pages stay constant.  Holding this will also
-        * guarantee that any pfn_valid() stays that way.
+        * or node_spanned_pages stay constant.
         *
         * pgdat_resize_lock() and pgdat_resize_unlock() are provided to
         * manipulate node_size_lock without checking for CONFIG_MEMORY_HOTPLUG.