Messages in this thread | | | Subject | Re: [PATCH V2] mm: Allow userland to request that the kernel clear memory on release | From | Vlastimil Babka <> | Date | Thu, 25 Apr 2019 14:40:48 +0200 |
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On 4/25/19 2:14 PM, Michal Hocko wrote: > Please cc linux-api for user visible API proposals (now done). Keep the > rest of the email intact for reference. > > On Wed 24-04-19 14:10:39, Matthew Garrett wrote: >> From: Matthew Garrett <mjg59@google.com> >> >> Applications that hold secrets and wish to avoid them leaking can use >> mlock() to prevent the page from being pushed out to swap and >> MADV_DONTDUMP to prevent it from being included in core dumps. Applications
So, do we really need a new madvise() flag and VMA flag, or can we just infer this page clearing from mlock+MADV_DONTDUMP being both applied?
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