mm: Remove slab destructors from kmem_cache_create().
Slab destructors were no longer supported after Christoph's
c59def9f222d44bb7e2f0a559f2906191a0862d7 change. They've been
BUGs for both slab and slub, and slob never supported them
either.
This rips out support for the dtor pointer from kmem_cache_create()
completely and fixes up every single callsite in the kernel (there were
about 224, not including the slab allocator definitions themselves,
or the documentation references).
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index f290cb7..f37324a 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -1680,7 +1680,7 @@
* boundary.
*/
jbd_slab[i] = kmem_cache_create(jbd_slab_names[i],
- slab_size, slab_size, 0, NULL, NULL);
+ slab_size, slab_size, 0, NULL);
if (!jbd_slab[i]) {
printk(KERN_EMERG "JBD: no memory for jbd_slab cache\n");
return -ENOMEM;
@@ -1723,8 +1723,7 @@
sizeof(struct journal_head),
0, /* offset */
0, /* flags */
- NULL, /* ctor */
- NULL); /* dtor */
+ NULL); /* ctor */
retval = 0;
if (jbd2_journal_head_cache == 0) {
retval = -ENOMEM;
@@ -2006,8 +2005,7 @@
sizeof(handle_t),
0, /* offset */
0, /* flags */
- NULL, /* ctor */
- NULL); /* dtor */
+ NULL); /* ctor */
if (jbd2_handle_cache == NULL) {
printk(KERN_EMERG "JBD: failed to create handle cache\n");
return -ENOMEM;
diff --git a/fs/jbd2/revoke.c b/fs/jbd2/revoke.c
index 28cac04..01d8897 100644
--- a/fs/jbd2/revoke.c
+++ b/fs/jbd2/revoke.c
@@ -171,13 +171,13 @@
{
jbd2_revoke_record_cache = kmem_cache_create("jbd2_revoke_record",
sizeof(struct jbd2_revoke_record_s),
- 0, SLAB_HWCACHE_ALIGN, NULL, NULL);
+ 0, SLAB_HWCACHE_ALIGN, NULL);
if (jbd2_revoke_record_cache == 0)
return -ENOMEM;
jbd2_revoke_table_cache = kmem_cache_create("jbd2_revoke_table",
sizeof(struct jbd2_revoke_table_s),
- 0, 0, NULL, NULL);
+ 0, 0, NULL);
if (jbd2_revoke_table_cache == 0) {
kmem_cache_destroy(jbd2_revoke_record_cache);
jbd2_revoke_record_cache = NULL;