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SubjectRe: [PATCH 00/13] [RFC] Rust support
On Wed, Apr 14, 2021 at 09:09:53PM +0100, Matthew Wilcox wrote:
> By the way, I don't think that Rust necessarily has to conform to the
> current way that Linux works. If this prompted us to track the current
> context (inside spinlock, handling interrupt, performing writeback, etc)
> and do away with (some) GFP flags, that's not the end of the world.
> We're already moving in that direction to a certain extent with the
> scoped memory allocation APIs to replace GFP_NOFS / GFP_NOIO.

I hadn't myself considered this option but it looks enticing to me. Do you have
a sense of which GFP flags we wouldn't be able to obviate even if we did track
state?

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