Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH] lockdep: increase static allocations | Date | Wed, 8 Jan 2014 14:21:46 -0500 |
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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> --- 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[]; -- 1.8.3.2
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