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2004-11-13  Ulrich Drepper  <drepper@redhat.com>

	* malloc/malloc.c (malloc_state): stat_lock_* elements need only
	be defined if THREAD_STATS is defined.  Remove pad0_ since it does
	not align with cache line sizes in general anyway.
This commit is contained in:
Ulrich Drepper
2004-11-13 19:50:50 +00:00
parent c120d94d58
commit 4f27c49622
2 changed files with 9 additions and 1 deletions
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4
malloc/malloc.c
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@ -2192,10 +2192,12 @@ typedef struct malloc_chunk* mfastbinptr;
struct malloc_state {
/* Serialize access. */
mutex_t mutex;
// Should we have padding to move the mutex to its own cache line?
#if THREAD_STATS
/* Statistics for locking. Only used if THREAD_STATS is defined. */
long stat_lock_direct, stat_lock_loop, stat_lock_wait;
long pad0_[1]; /* try to give the mutex its own cacheline */
#endif
/* The maximum chunk size to be eligible for fastbin */
INTERNAL_SIZE_T max_fast; /* low 2 bits used as flags */