Re: [PATCH v2] writeback: safer lock nesting

Hi Greg, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v4.16] [cannot apply to next-20180406] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url:

Re: [PATCH v2] writeback: safer lock nesting

Hi Greg, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v4.16] [cannot apply to next-20180406] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url:

[PATCH v2] writeback: safer lock nesting

lock_page_memcg()/unlock_page_memcg() use spin_lock_irqsave/restore() if the page's memcg is undergoing move accounting, which occurs when a process leaves its memcg for a new one that has memory.move_charge_at_immigrate set. unlocked_inode_to_wb_begin,end() use spin_lock_irq/spin_unlock_irq() if

[PATCH v2] writeback: safer lock nesting

lock_page_memcg()/unlock_page_memcg() use spin_lock_irqsave/restore() if the page's memcg is undergoing move accounting, which occurs when a process leaves its memcg for a new one that has memory.move_charge_at_immigrate set. unlocked_inode_to_wb_begin,end() use spin_lock_irq/spin_unlock_irq() if