Re: [linux-next] khugepaged inconsistent lock state

2015-09-23 Thread Sergey Senozhatsky
On (09/23/15 16:22), Kirill A. Shutemov wrote: [..] > khugepaged does swap in during collapse under anon_vma lock. It causes > complain from lockdep. The trace below shows following scenario: > > - khugepaged tries to swap in a page under mmap_sem and anon_vma lock; > - do_swap_page() calls swap

Re: [linux-next] khugepaged inconsistent lock state

2015-09-23 Thread Ebru Akagündüz
2015-09-23 15:22 GMT+02:00 Kirill A. Shutemov : > On Mon, Sep 21, 2015 at 04:57:05PM -0700, Hugh Dickins wrote: >> On Mon, 21 Sep 2015, Kirill A. Shutemov wrote: >> > On Mon, Sep 21, 2015 at 01:46:00PM +0900, Sergey Senozhatsky wrote: >> > > Hi, >> > > >> > > 4.3.0-rc1-next-20150918 >> > > >> > > [

Re: [linux-next] khugepaged inconsistent lock state

2015-09-23 Thread Kirill A. Shutemov
On Mon, Sep 21, 2015 at 04:57:05PM -0700, Hugh Dickins wrote: > On Mon, 21 Sep 2015, Kirill A. Shutemov wrote: > > On Mon, Sep 21, 2015 at 01:46:00PM +0900, Sergey Senozhatsky wrote: > > > Hi, > > > > > > 4.3.0-rc1-next-20150918 > > > > > > [18344.236625] = > > > [

Re: [linux-next] khugepaged inconsistent lock state

2015-09-21 Thread Hugh Dickins
On Mon, 21 Sep 2015, Kirill A. Shutemov wrote: > On Mon, Sep 21, 2015 at 01:46:00PM +0900, Sergey Senozhatsky wrote: > > Hi, > > > > 4.3.0-rc1-next-20150918 > > > > [18344.236625] = > > [18344.236628] [ INFO: inconsistent lock state ] > > [18344.236633] 4.3.0-rc1-n

Re: [linux-next] khugepaged inconsistent lock state

2015-09-21 Thread Kirill A. Shutemov
On Mon, Sep 21, 2015 at 01:46:00PM +0900, Sergey Senozhatsky wrote: > Hi, > > 4.3.0-rc1-next-20150918 > > [18344.236625] = > [18344.236628] [ INFO: inconsistent lock state ] > [18344.236633] 4.3.0-rc1-next-20150918-dbg-00014-ge5128d0-dirty #361 Not > tainted > [18

[linux-next] khugepaged inconsistent lock state

2015-09-20 Thread Sergey Senozhatsky
Hi, 4.3.0-rc1-next-20150918 [18344.236625] = [18344.236628] [ INFO: inconsistent lock state ] [18344.236633] 4.3.0-rc1-next-20150918-dbg-00014-ge5128d0-dirty #361 Not tainted [18344.236636] - [18344.236640] inconsistent {IN-RECLAIM_F