On Mon, Aug 12, 2024 at 05:05:24PM +0800, Yafang Shao wrote:
> The PF_MEMALLOC_NORECLAIM flag was introduced in commit eab0af905bfc
> ("mm: introduce PF_MEMALLOC_NORECLAIM, PF_MEMALLOC_NOWARN"). To complement
> this, let's add two helper functions, memalloc_nowait_{save,restore}, which
> will be useful in scenarios where we want to avoid waiting for memory
> reclamation.
No, forcing nowait on callee contets is just asking for trouble.
Unlike NOIO or NOFS this is incompatible with NOFAIL allocations
and thus will lead to kernel crashes.
