[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH 2/2] xen: don't use page->lru for ZONE_DEVICE memory
On Mon, Dec 7, 2020 at 8:30 AM Juergen Gross <jgross@xxxxxxxx> wrote: > > Commit 9e2369c06c8a18 ("xen: add helpers to allocate unpopulated > memory") introduced usage of ZONE_DEVICE memory for foreign memory > mappings. > > Unfortunately this collides with using page->lru for Xen backend > private page caches. > > Fix that by using page->zone_device_data instead. > > Fixes: 9e2369c06c8a18 ("xen: add helpers to allocate unpopulated memory") > Signed-off-by: Juergen Gross <jgross@xxxxxxxx> Would it make sense to add BUG_ON(is_zone_device_page(page)) and the opposite as appropriate to cache_enq? Either way: Reviewed-by: Jason Andryuk <jandryuk@xxxxxxxxx>
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