Messages in this thread | | | Subject | Re: [PATCH 1/3] Protectable memory support | From | Igor Stoppa <> | Date | Mon, 10 Jul 2017 18:15:53 +0300 |
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On 07/07/17 21:48, Jerome Glisse wrote:
> I believe there is enough unuse field that for vmalloc pages that > you should find one you can use. Just add some documentation in > mm_types.h so people are aware of alternate use for the field you > are using.
I ended up using page->private and the corresponding bit. Because page-private is an opaque field, specifically reserved for the allocator, I think it should not be necessary to modify mm_types.h
The reworked patch is here: https://marc.info/?l=linux-mm&m=149969928920772&w=2
-- thanks, igor
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