kmemcheck: stop using GFP_NOTRACK and SLAB_NOTRACK

Convert all allocations that used a NOTRACK flag to stop using it.

Link: http://lkml.kernel.org/r/20171007030159.22241-3-alexander.levin@verizon.com
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Tim Hansen <devtimhansen@gmail.com>
Cc: Vegard Nossum <vegardno@ifi.uio.no>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 7 insertions, 8 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index 006dc5899a1a..4e55eedba8d6 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -469,7 +469,7 @@ void __init fork_init(void)
         /* create a slab on which task_structs can be allocated */
         task_struct_cachep = kmem_cache_create("task_struct",
                         arch_task_struct_size, align,
-                        SLAB_PANIC|SLAB_NOTRACK|SLAB_ACCOUNT, NULL);
+                        SLAB_PANIC|SLAB_ACCOUNT, NULL);
 #endif
 
         /* do the arch specific task caches init */
@@ -2205,18 +2205,18 @@ void __init proc_caches_init(void)
         sighand_cachep = kmem_cache_create("sighand_cache",
                         sizeof(struct sighand_struct), 0,
                         SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_TYPESAFE_BY_RCU|
-                        SLAB_NOTRACK|SLAB_ACCOUNT, sighand_ctor);
+                        SLAB_ACCOUNT, sighand_ctor);
         signal_cachep = kmem_cache_create("signal_cache",
                         sizeof(struct signal_struct), 0,
-                        SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_NOTRACK|SLAB_ACCOUNT,
+                        SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_ACCOUNT,
                         NULL);
         files_cachep = kmem_cache_create("files_cache",
                         sizeof(struct files_struct), 0,
-                        SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_NOTRACK|SLAB_ACCOUNT,
+                        SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_ACCOUNT,
                         NULL);
         fs_cachep = kmem_cache_create("fs_cache",
                         sizeof(struct fs_struct), 0,
-                        SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_NOTRACK|SLAB_ACCOUNT,
+                        SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_ACCOUNT,
                         NULL);
         /*
          * FIXME! The "sizeof(struct mm_struct)" currently includes the
@@ -2227,7 +2227,7 @@ void __init proc_caches_init(void)
          */
         mm_cachep = kmem_cache_create("mm_struct",
                         sizeof(struct mm_struct), ARCH_MIN_MMSTRUCT_ALIGN,
-                        SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_NOTRACK|SLAB_ACCOUNT,
+                        SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_ACCOUNT,
                         NULL);
         vm_area_cachep = KMEM_CACHE(vm_area_struct, SLAB_PANIC|SLAB_ACCOUNT);
         mmap_init();
diff --git a/kernel/signal.c b/kernel/signal.c
index 8dcd8825b2de..aa1fb9f905db 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1036,8 +1036,7 @@ static int __send_signal(int sig, struct siginfo *info, struct task_struct *t,
         else
                 override_rlimit = 0;
 
-        q = __sigqueue_alloc(sig, t, GFP_ATOMIC | __GFP_NOTRACK_FALSE_POSITIVE,
-                override_rlimit);
+        q = __sigqueue_alloc(sig, t, GFP_ATOMIC, override_rlimit);
         if (q) {
                 list_add_tail(&q->list, &pending->list);
                 switch ((unsigned long) info) {