Messages in this thread | | | Date | Fri, 14 Aug 2020 12:23:06 +0200 | From | peterz@infradea ... | Subject | Re: [RFC-PATCH 1/2] mm: Add __GFP_NO_LOCKS flag |
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On Fri, Aug 14, 2020 at 10:30:37AM +0200, Peter Zijlstra wrote: > > > 1. Prohibit invoking allocators from raw atomic context, such > > > as when holding a raw spinlock. > > > > Clearly the simplest solution but not Pauls favourite and > > unfortunately he has a good reason. > > Which isn't actually stated anywhere I suppose ?
Introduce raw_kfree_rcu() that doesn't do the allocation, and fix the few wonky callsites.
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