commit e1a7cbce53f6524e28421b980464a36f0fa9631c
author Alexander Aring <aahringo@redhat.com> Mon Mar 01 17:05:15 2021 -0500
committer David Teigland <teigland@redhat.com> Tue Mar 09 08:56:42 2021 -0600
tree 0eea5f0156ba6b80a1e08bd193311c32c9f7f533
parent c45674fbdda138814ca21138475219c96fa5aa1f

fs: dlm: use GFP_ZERO for page buffer

This patch uses GFP_ZERO for allocate a page for the internal dlm
sending buffer allocator instead of calling memset zero after every
allocation. An already allocated space will never be reused again.

Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>

fs/dlm/lowcomms.c

diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 206bd30..97d0c93d 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -1355,7 +1355,7 @@ static struct writequeue_entry *new_writequeue_entry(struct connection *con,
 	if (!entry)
 		return NULL;
 
-	entry->page = alloc_page(allocation);
+	entry->page = alloc_page(allocation | __GFP_ZERO);
 	if (!entry->page) {
 		kfree(entry);
 		return NULL;