> > > >This flag is used to indicate to the callees that this allocation will be
> > > >serviced to the kernel. It is not supposed to be passed by the callers
> > > >of kmem_cache_alloc, but rather by the cache core itself.
> > > >
> > Not sure what "serviced to the kernel" means, does this mean that the
> > memory will not be accounted for to the root memcg?
> >
> In this context, it means that is a kernel allocation, not a userspace one
> (but in process context, of course), *and* it is to be accounted a
> specific memcg.
>
Ah, that makes sense. I think it would help if this was included in the
changelog as well as a specifying that it is accounted to current's memcg
at the time of the allocation in a comment in the code.
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