Re: A oops occur when it calls kmem_cache_alloc

2016-03-04 Thread zhong jiang
On 2016/3/4 18:45, Tetsuo Handa wrote: > On 2016/03/04 17:36, zhong jiang wrote: >> The vmcore file show the collapse reason that the page had been removed >> when we acqure the page and prepare to remove the page from the slub >> partial list. >> >> The list is protected by the spin_lock from co

A oops occur when it calls kmem_cache_alloc

2016-03-04 Thread zhong jiang
The vmcore file show the collapse reason that the page had been removed when we acqure the page and prepare to remove the page from the slub partial list. The list is protected by the spin_lock from concurrent operation. And I find that other core is wating the lock to alloc memory. Therefore ,