Messages in this thread Patch in this message | | | Date | Fri, 18 Apr 2014 06:13:30 -0700 | From | tip-bot for Sasha Levin <> | Subject | [tip:locking/core] lockdep: Increase static allocations |
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Commit-ID: 1413c03893332366e5b4d1e26f942ada25f3e82a Gitweb: http://git.kernel.org/tip/1413c03893332366e5b4d1e26f942ada25f3e82a Author: Sasha Levin <sasha.levin@oracle.com> AuthorDate: Wed, 8 Jan 2014 14:21:46 -0500 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Fri, 18 Apr 2014 14:20:50 +0200
lockdep: Increase static allocations
Fuzzing a recent kernel with a large configuration hits the static allocation limits and disables lockdep.
This patch doubles the limits.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1389208906-24338-1-git-send-email-sasha.levin@oracle.com Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org> --- kernel/locking/lockdep_internals.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/kernel/locking/lockdep_internals.h b/kernel/locking/lockdep_internals.h index 4f560cf..51c4b24 100644 --- a/kernel/locking/lockdep_internals.h +++ b/kernel/locking/lockdep_internals.h @@ -54,9 +54,9 @@ enum { * table (if it's not there yet), and we check it for lock order * conflicts and deadlocks. */ -#define MAX_LOCKDEP_ENTRIES 16384UL +#define MAX_LOCKDEP_ENTRIES 32768UL -#define MAX_LOCKDEP_CHAINS_BITS 15 +#define MAX_LOCKDEP_CHAINS_BITS 16 #define MAX_LOCKDEP_CHAINS (1UL << MAX_LOCKDEP_CHAINS_BITS) #define MAX_LOCKDEP_CHAIN_HLOCKS (MAX_LOCKDEP_CHAINS*5) @@ -65,7 +65,7 @@ enum { * Stack-trace: tightly packed array of stack backtrace * addresses. Protected by the hash_lock. */ -#define MAX_STACK_TRACE_ENTRIES 262144UL +#define MAX_STACK_TRACE_ENTRIES 524288UL extern struct list_head all_lock_classes; extern struct lock_chain lock_chains[];
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