On Wed, May 15, 2013 at 11:15:34PM -0400, Sasha Levin wrote:
> --- /dev/null
> +++ b/tools/lib/lockdep/uinclude/linux/lockdep.h
> @@ -0,0 +1,55 @@
> +#ifndef _LIBLOCKDEP_LOCKDEP_H_
> +#define _LIBLOCKDEP_LOCKDEP_H_
> +
> +#include <sys/prctl.h>
> +#include <sys/syscall.h>
> +#include <string.h>
> +#include <limits.h>
> +#include <linux/utsname.h>
> +
> +
> +#define MAX_LOCK_DEPTH 2000UL
> +
> +#include "../../../include/linux/lockdep.h"
> +
> +struct task_struct {
> + u64 curr_chain_key;
> + int lockdep_depth;
> + unsigned int lockdep_recursion;
> + struct held_lock held_locks[MAX_LOCK_DEPTH];
> + gfp_t lockdep_reclaim_gfp;
> + int pid;
> + char comm[17];
> +};
Whee that's a totally awesome MAX_LOCK_DEPTH.. :-)
Should we not also extend the other static allocations, or have you not
yet ran into them? I would suspect that without proper classes we're
bound to run out of class and link storage quite quickly.
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