On Tue, Feb 20, 2018 at 09:53:30PM +0200, Igor Stoppa wrote:
The patch relies on the function vmalloc_to_page ... which will return
NULL when applied to huge mappings, while the original implementation
will still work.
Huh? vmalloc_to_page() should work for huge mappings...
It was found while testing on a configuration with framebuffer.
... ah. You tried to use vmalloc_to_page() on something which wasn't
backed by a struct page. That's *supposed* to return NULL, but my
guess is that after this patch it returned garbage.
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