On Wed, Sep 06, 2017 at 09:09:29AM -0600, Jens Axboe wrote: > On 09/06/2017 09:08 AM, Johannes Thumshirn wrote: > > On Wed, Sep 06, 2017 at 05:01:01PM +0200, Javier González wrote: > >> Check for failed mempool allocations and act accordingly. > > > > Are you sure it is needed? Quoting from mempool_alloc()s Documentation: > > "[...] Note that due to preallocation, this function *never* fails when called > > from process contexts. (it might fail if called from an IRQ context.) [...]" > > It's not needed, mempool() will never fail if __GFP_WAIT is set in the > mask. The use case here is GFP_KERNEL, which does include __GFP_WAIT. Exactly. Maybe I shouldn't have it phrased as a question though... -- Johannes Thumshirn Storage jthumshirn@xxxxxxx +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850
