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authorAlexander Aring <aahringo@redhat.com>2021-03-01 17:05:15 -0500
committerDavid Teigland <teigland@redhat.com>2021-03-09 08:56:42 -0600
commite1a7cbce53f6524e28421b980464a36f0fa9631c (patch)
tree0eea5f0156ba6b80a1e08bd193311c32c9f7f533 /fs/dlm
parentc45674fbdda138814ca21138475219c96fa5aa1f (diff)
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>
Diffstat (limited to 'fs/dlm')
-rw-r--r--fs/dlm/lock.c2
-rw-r--r--fs/dlm/lowcomms.c2
-rw-r--r--fs/dlm/rcom.c2
3 files changed, 1 insertions, 5 deletions
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index 002123efc6b0..b93df39d0915 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -3541,8 +3541,6 @@ static int _create_message(struct dlm_ls *ls, int mb_len,
if (!mh)
return -ENOBUFS;
- memset(mb, 0, mb_len);
-
ms = (struct dlm_message *) mb;
ms->m_header.h_version = (DLM_HEADER_MAJOR | DLM_HEADER_MINOR);
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 206bd30feb29..97d0c93dd644 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;
diff --git a/fs/dlm/rcom.c b/fs/dlm/rcom.c
index 73ddee5159d7..f5b1bd65728d 100644
--- a/fs/dlm/rcom.c
+++ b/fs/dlm/rcom.c
@@ -41,7 +41,6 @@ static int create_rcom(struct dlm_ls *ls, int to_nodeid, int type, int len,
to_nodeid, type, len);
return -ENOBUFS;
}
- memset(mb, 0, mb_len);
rc = (struct dlm_rcom *) mb;
@@ -462,7 +461,6 @@ int dlm_send_ls_not_ready(int nodeid, struct dlm_rcom *rc_in)
mh = dlm_lowcomms_get_buffer(nodeid, mb_len, GFP_NOFS, &mb);
if (!mh)
return -ENOBUFS;
- memset(mb, 0, mb_len);
rc = (struct dlm_rcom *) mb;