Hi Jianguo, On Thu, Apr 17, 2014 at 10:43:01AM +0100, Marc Zyngier wrote: > On Thu, Apr 17 2014 at 10:31:37 am BST, Jianguo Wu <wujianguo@xxxxxxxxxx> wrote: > > When enable LPAE and big-endian in a hisilicon board, while specify > > mem=384M mem=512M@7680M, will get bad page state: > > > > Freeing unused kernel memory: 180K (c0466000 - c0493000) > > BUG: Bad page state in process init pfn:fa442 > > page:c7749840 count:0 mapcount:-1 mapping: (null) index:0x0 > > page flags: 0x40000400(reserved) > > Modules linked in: > > CPU: 0 PID: 1 Comm: init Not tainted 3.10.27+ #66 > > [<c000f5f0>] (unwind_backtrace+0x0/0x11c) from [<c000cbc4>] (show_stack+0x10/0x14) > > [<c000cbc4>] (show_stack+0x10/0x14) from [<c009e448>] (bad_page+0xd4/0x104) > > [<c009e448>] (bad_page+0xd4/0x104) from [<c009e520>] (free_pages_prepare+0xa8/0x14c) > > [<c009e520>] (free_pages_prepare+0xa8/0x14c) from [<c009f8ec>] (free_hot_cold_page+0x18/0xf0) > > [<c009f8ec>] (free_hot_cold_page+0x18/0xf0) from [<c00b5444>] (handle_pte_fault+0xcf4/0xdc8) > > [<c00b5444>] (handle_pte_fault+0xcf4/0xdc8) from [<c00b6458>] (handle_mm_fault+0xf4/0x120) > > [<c00b6458>] (handle_mm_fault+0xf4/0x120) from [<c0013754>] (do_page_fault+0xfc/0x354) > > [<c0013754>] (do_page_fault+0xfc/0x354) from [<c0008400>] (do_DataAbort+0x2c/0x90) > > [<c0008400>] (do_DataAbort+0x2c/0x90) from [<c0008fb4>] (__dabt_usr+0x34/0x40) [...] Please can you put this into Russell's patch system? You can also add my ack: Acked-by: Will Deacon <will.deacon@xxxxxxx> You should also CC stable <stable@xxxxxxxxxxxxxxx> in the commit log. Cheers, Will -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>