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/kernel/fork.c b/kernel/fork.c
index 4698389..7332e23 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -137,7 +137,7 @@
/* create a slab on which task_structs can be allocated */
task_struct_cachep =
kmem_cache_create("task_struct", sizeof(struct task_struct),
- ARCH_MIN_TASKALIGN, SLAB_PANIC, NULL, NULL);
+ ARCH_MIN_TASKALIGN, SLAB_PANIC, NULL);
#endif
/*
@@ -1446,22 +1446,22 @@
sighand_cachep = kmem_cache_create("sighand_cache",
sizeof(struct sighand_struct), 0,
SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_DESTROY_BY_RCU,
- sighand_ctor, NULL);
+ sighand_ctor);
signal_cachep = kmem_cache_create("signal_cache",
sizeof(struct signal_struct), 0,
- SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
- files_cachep = kmem_cache_create("files_cache",
+ SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
+ files_cachep = kmem_cache_create("files_cache",
sizeof(struct files_struct), 0,
- SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
- fs_cachep = kmem_cache_create("fs_cache",
+ SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
+ fs_cachep = kmem_cache_create("fs_cache",
sizeof(struct fs_struct), 0,
- SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
+ SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
vm_area_cachep = kmem_cache_create("vm_area_struct",
sizeof(struct vm_area_struct), 0,
- SLAB_PANIC, NULL, NULL);
+ SLAB_PANIC, NULL);
mm_cachep = kmem_cache_create("mm_struct",
sizeof(struct mm_struct), ARCH_MIN_MMSTRUCT_ALIGN,
- SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
+ SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
}
/*
diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index 10f0bbb..a4fb7d4 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -193,7 +193,7 @@
static int __init nsproxy_cache_init(void)
{
nsproxy_cachep = kmem_cache_create("nsproxy", sizeof(struct nsproxy),
- 0, SLAB_PANIC, NULL, NULL);
+ 0, SLAB_PANIC, NULL);
return 0;
}
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 329ce01..55b3761 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -241,7 +241,7 @@
register_posix_clock(CLOCK_MONOTONIC, &clock_monotonic);
posix_timers_cache = kmem_cache_create("posix_timers_cache",
- sizeof (struct k_itimer), 0, 0, NULL, NULL);
+ sizeof (struct k_itimer), 0, 0, NULL);
idr_init(&posix_timers_id);
return 0;
}
diff --git a/kernel/user.c b/kernel/user.c
index 98b8250..e7d11ce 100644
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -208,7 +208,7 @@
int n;
uid_cachep = kmem_cache_create("uid_cache", sizeof(struct user_struct),
- 0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
+ 0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
for(n = 0; n < UIDHASH_SZ; ++n)
INIT_LIST_HEAD(init_user_ns.uidhash_table + n);