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SubjectRe: [PATCH 07/32] mm: Bring back vmalloc_exec
On Tue, May 09, 2023 at 01:46:09PM -0700, Christoph Hellwig wrote:
> On Tue, May 09, 2023 at 12:56:32PM -0400, Kent Overstreet wrote:
> > From: Kent Overstreet <kent.overstreet@gmail.com>
> >
> > This is needed for bcachefs, which dynamically generates per-btree node
> > unpack functions.
>
> No, we will never add back a way for random code allocating executable
> memory in kernel space.

Yeah I think I glossed over this aspect a bit as it looks ostensibly like simply
reinstating a helper function because the code is now used in more than one
place (at lsf/mm so a little distracted :)

But it being exported is a problem. Perhaps there's another way of acheving the
same aim without having to do so?

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