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| author | Sasha Levin <sasha.levin@oracle.com> | 2014-01-08 14:21:46 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-04-18 14:20:50 +0200 |
| commit | 1413c03893332366e5b4d1e26f942ada25f3e82a (patch) | |
| tree | 2717124438519b661d1d0775284ac02a9d23abc8 /kernel/locking | |
| parent | 4e857c58efeb99393cba5a5d0d8ec7117183137c (diff) | |
| download | blackbird-op-linux-1413c03893332366e5b4d1e26f942ada25f3e82a.tar.gz blackbird-op-linux-1413c03893332366e5b4d1e26f942ada25f3e82a.zip | |
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>
Diffstat (limited to 'kernel/locking')
| -rw-r--r-- | kernel/locking/lockdep_internals.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/locking/lockdep_internals.h b/kernel/locking/lockdep_internals.h index 4f560cfedc8f..51c4b24b6328 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[]; |
