[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Xen-changelog] [xen staging] xmalloc: statically initialize pool list head and lock



commit 85aea83d46d24eb420235b172cd3f427a8153c18
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Thu Apr 11 10:25:22 2019 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Apr 11 10:25:22 2019 +0200

    xmalloc: statically initialize pool list head and lock
    
    There's no need to execute any instructions for doing so.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxx>
    Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 xen/common/xmalloc_tlsf.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/xen/common/xmalloc_tlsf.c b/xen/common/xmalloc_tlsf.c
index b256dc56cf..2076953ac4 100644
--- a/xen/common/xmalloc_tlsf.c
+++ b/xen/common/xmalloc_tlsf.c
@@ -65,8 +65,8 @@
 #define PREV_FREE       (0x2)
 #define PREV_USED       (0x0)
 
-static spinlock_t pool_list_lock;
-static struct list_head pool_list_head;
+static DEFINE_SPINLOCK(pool_list_lock);
+static LIST_HEAD(pool_list_head);
 
 struct free_ptr {
     struct bhdr *prev;
@@ -551,8 +551,6 @@ static void *xmalloc_whole_pages(unsigned long size, 
unsigned long align)
 
 static void tlsf_init(void)
 {
-    INIT_LIST_HEAD(&pool_list_head);
-    spin_lock_init(&pool_list_lock);
     xenpool = xmem_pool_create(
         "xmalloc", xmalloc_pool_get, xmalloc_pool_put,
         PAGE_SIZE, 0, PAGE_SIZE);
--
generated by git-patchbot for /home/xen/git/xen.git#staging

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/xen-changelog

 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.