| From | Julian Stecklina <> | Subject | Re: [RFC PATCH v7 12/16] xpfo, mm: remove dependency on CONFIG_PAGE_EXTENSION | Date | Wed, 16 Jan 2019 16:01:05 +0100 |
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Khalid Aziz <khalid.aziz@oracle.com> writes:
> From: Julian Stecklina <jsteckli@amazon.de> > > Instead of using the page extension debug feature, encode all > information, we need for XPFO in struct page. This allows to get rid of > some checks in the hot paths and there are also no pages anymore that > are allocated before XPFO is enabled.
I have another patch lying around that turns the XPFO per-page locks into bit spinlocks and thus get the size of struct page to <= 64 byte again. In case someone's interested, ping me.
Julian
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