jemalloc/src/arena.c

1933 		bin->runcur = NULL;
2323 /* Re-fill bin->runcur, then call arena_run_reg_alloc(). */
2333 	bin->runcur = NULL;
2335 	if (bin->runcur != NULL && bin->runcur->nfree > 0) {
2337 		 * Another thread updated runcur while this one ran without the
2341 		assert(bin->runcur->nfree > 0);
2342 		ret = arena_run_reg_alloc(bin->runcur, bin_info);
2367 	bin->runcur = run;
2369 	assert(bin->runcur->nfree > 0);
2371 	return (arena_run_reg_alloc(bin->runcur, bin_info));
2391 		if ((run = bin->runcur) != NULL && run->nfree > 0)
2547 	if ((run = bin->runcur) != NULL && run->nfree > 0)
2823 	if (run == bin->runcur)
2824 		bin->runcur = NULL;
2849 	assert(run != bin->runcur);
2868 	 * Make sure that if bin->runcur is non-NULL, it refers to the lowest
2869 	 * non-full run.  It is okay to NULL runcur out rather than proactively
2872 	if ((uintptr_t)run < (uintptr_t)bin->runcur) {
2873 		/* Switch runcur. */
2874 		if (bin->runcur->nfree > 0)
2875 			arena_bin_runs_insert(bin, bin->runcur);
2876 		bin->runcur = run;
2907 	} else if (run->nfree == 1 && run != bin->runcur)
3598 		bin->runcur = NULL;