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authorLevin, Alexander (Sasha Levin) <alexander.levin@verizon.com>2017-11-15 17:35:54 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-11-15 18:21:04 -0800
commit75f296d93bcebcfe375884ddac79e30263a31766 (patch)
treed536ce2a9f7837c26644e14a0ea2ab7b01c07fed /kernel
parent4950276672fce5c241857540f8561c440663673d (diff)
download96b-common-75f296d93bcebcfe375884ddac79e30263a31766.tar.gz
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>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/fork.c12
-rw-r--r--kernel/signal.c3
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) {