Messages in this thread | | | Date | Fri, 28 Feb 2014 14:32:25 -0500 | From | Sasha Levin <> | Subject | Re: [PATCH] lockdep: increase static allocations |
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On 01/08/2014 02:21 PM, Sasha Levin wrote: > 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[]; >
Can someone pick the patch up please? PeterZ even (seemed to) acked it.
Thanks, Sasha
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