remap_pfn_range addr page alignment

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Hey there!

I was seeing some weird behavior where I was hitting
random BUG_ONs in memory.c . After a bit of debugging,
I traced it back to remap_pfn_range being my entry point
into memory.c . Should the "addr" passed it be page aligned?
I see no documentation stating that nor do I see any checks
in the code for it.

Alex




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