9525 kmem_dump_size is a corrupting influence

*** 19,28 ****
--- 19,29 ----
   * CDDL HEADER END
   */
  
  /*
   * Copyright (c) 1994, 2010, Oracle and/or its affiliates. All rights reserved.
+  * Copyright 2018 Joyent, Inc.
   */
  
  #ifndef _SYS_KMEM_IMPL_H
  #define _SYS_KMEM_IMPL_H
  
*** 326,335 ****
--- 327,342 ----
          void            *kmd_from_buf;          /* object to move */
          void            *kmd_to_buf;            /* move destination */
          kthread_t       *kmd_thread;            /* thread calling move */
  } kmem_defrag_t;
  
+ typedef struct kmem_dump {
+         void            *kd_freelist;           /* heap during crash dump */
+         uint_t          kd_alloc_fails;         /* # of allocation failures */
+         uint_t          kd_unsafe;              /* cache was used, but unsafe */
+ } kmem_dump_t;
+ 
  #define KMEM_CACHE_NAMELEN      31
  
  struct kmem_cache {
          /*
           * Statistics
*** 396,407 ****
           */
          kmutex_t        cache_depot_lock;       /* protects depot */
          kmem_magtype_t  *cache_magtype;         /* magazine type */
          kmem_maglist_t  cache_full;             /* full magazines */
          kmem_maglist_t  cache_empty;            /* empty magazines */
!         void            *cache_dumpfreelist;    /* heap during crash dump */
!         void            *cache_dumplog;         /* log entry during dump */
  
          /*
           * Per-CPU layer
           */
          kmem_cpu_cache_t cache_cpu[1];          /* max_ncpus actual elements */
--- 403,413 ----
           */
          kmutex_t        cache_depot_lock;       /* protects depot */
          kmem_magtype_t  *cache_magtype;         /* magazine type */
          kmem_maglist_t  cache_full;             /* full magazines */
          kmem_maglist_t  cache_empty;            /* empty magazines */
!         kmem_dump_t     cache_dump;             /* used during crash dump */
  
          /*
           * Per-CPU layer
           */
          kmem_cpu_cache_t cache_cpu[1];          /* max_ncpus actual elements */