Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1451481
| From | Tejun Heo <tj@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue |
| Date | 2016-07-27 21:30 +0200 |
| Message-ID | <rZCGJ-3Dk-3@gated-at.bofh.it> (permalink) |
| References | <rZBrj-2Qg-21@gated-at.bofh.it> <rZCdI-3d7-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hello, Alan. On Wed, Jul 27, 2016 at 02:54:51PM -0400, Alan Stern wrote: > > Hmm... I didn't know the whole USB stack could operate without > > allocating memory. Does usb stack have mempools and stuff all the way > > through? > > No -- the USB stack does need to allocate memory in order to operate. > But it is careful to use GFP_NOIO or GFP_ATOMIC for allocations that > might be on the block-device path. Hmm... That doesn't really make them dependable during memory reclaim. What happens when those allocations fail? Thanks. -- tejun
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Bhaktipriya Shridhar <bhaktipriya96@gmail.com> - 2016-07-27 11:30 +0200
Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Oliver Neukum <oneukum@suse.com> - 2016-07-27 11:40 +0200
Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Tejun Heo <tj@kernel.org> - 2016-07-27 20:10 +0200
Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Alan Stern <stern@rowland.harvard.edu> - 2016-07-27 21:00 +0200
Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Tejun Heo <tj@kernel.org> - 2016-07-27 21:30 +0200
Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Alan Stern <stern@rowland.harvard.edu> - 2016-07-27 22:50 +0200
Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Tejun Heo <tj@kernel.org> - 2016-07-29 15:20 +0200
Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Michal Hocko <mhocko@kernel.org> - 2016-08-01 16:00 +0200
Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Tejun Heo <tj@kernel.org> - 2016-08-01 16:30 +0200
Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Alan Stern <stern@rowland.harvard.edu> - 2016-08-01 21:10 +0200
Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Michal Hocko <mhocko@kernel.org> - 2016-08-01 21:40 +0200
Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Oliver Neukum <oneukum@suse.com> - 2016-08-02 10:20 +0200
Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Michal Hocko <mhocko@kernel.org> - 2016-08-02 10:40 +0200
Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Oliver Neukum <oneukum@suse.com> - 2016-08-02 12:10 +0200
Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Michal Hocko <mhocko@kernel.org> - 2016-08-02 14:00 +0200
Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Oliver Neukum <oneukum@suse.com> - 2016-08-02 15:40 +0200
Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Tejun Heo <tj@kernel.org> - 2016-08-02 21:20 +0200
Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Michal Hocko <mhocko@kernel.org> - 2016-08-02 23:40 +0200
Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Michal Hocko <mhocko@kernel.org> - 2016-08-02 16:00 +0200
Re: [RFC] usb: host: u132-hcd: Remove deprecated create_singlethread_workqueue Oliver Neukum <oneukum@suse.com> - 2016-08-02 19:20 +0200
csiph-web