Messages in this thread | | | From | Linus Torvalds <> | Date | Mon, 6 Apr 2020 10:26:37 -0700 | Subject | Re: [PATCH] mm: Add kvfree_sensitive() for freeing sensitive data objects |
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On Mon, Apr 6, 2020 at 10:12 AM Joe Perches <joe@perches.com> wrote: > > Add yet another alloc flag like __GFP_SENSITIVE > and have kfree operate on that and not have a > kfree_sensitive at all.
That sounds potentially sensible. Maybe even a SLAB_SENSITIVE to mark a whole slab cache sensitive for kmem_cache_create().
I'm not sure how controlled the allocations are, though. The allocations that get used for keys etc might come from outside the crypto layer.
Linus
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