• R
    SLUB: Do not upset lockdep · ba84c73c
    root 提交于
    inconsistent {softirq-on-W} -> {in-softirq-W} usage.
    swapper/0 [HC0[0]:SC1[1]:HE0:SE0] takes:
     (&n->list_lock){-+..}, at: [<ffffffff802935c1>] add_partial+0x31/0xa0
    {softirq-on-W} state was registered at:
      [<ffffffff80259fb8>] __lock_acquire+0x3e8/0x1140
      [<ffffffff80259838>] debug_check_no_locks_freed+0x188/0x1a0
      [<ffffffff8025ad65>] lock_acquire+0x55/0x70
      [<ffffffff802935c1>] add_partial+0x31/0xa0
      [<ffffffff805c76de>] _spin_lock+0x1e/0x30
      [<ffffffff802935c1>] add_partial+0x31/0xa0
      [<ffffffff80296f9c>] kmem_cache_open+0x1cc/0x330
      [<ffffffff805c7984>] _spin_unlock_irq+0x24/0x30
      [<ffffffff802974f4>] create_kmalloc_cache+0x64/0xf0
      [<ffffffff80295640>] init_alloc_cpu_cpu+0x70/0x90
      [<ffffffff8080ada5>] kmem_cache_init+0x65/0x1d0
      [<ffffffff807f1b4e>] start_kernel+0x23e/0x350
      [<ffffffff807f112d>] _sinittext+0x12d/0x140
      [<ffffffffffffffff>] 0xffffffffffffffff
    
    This change isn't really necessary for correctness, but it prevents lockdep
    from getting upset and then disabling itself.
    Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl>
    Cc: Christoph Lameter <clameter@sgi.com>
    Cc: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
    Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
    Signed-off-by: NChristoph Lameter <clameter@sgi.com>
    ba84c73c
slub.c 97.3 KB