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Unlike other architectures, s390 does not have means to distinguish kernel vs user page table entries - neither an entry itself, nor the address could be used for that. It is only the mm_struct that indicates whether an entry in question is mapped to a user space. So pass mm_struct to pxx_user_accessible_page() callbacks. [agordeev@linux.ibm.com: rephrased commit message, removed braces] Acked-by: Madhavan Srinivasan <maddy@linux.ibm.com> Reviewed-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com> #powerpc Signed-off-by: Tobias Huschle <huschle@linux.ibm.com> Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com> Link: https://lore.kernel.org/r/ca77f3489453c2fe01b25e50e53b778929e0dfc5.1772812343.git.agordeev@linux.ibm.com Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> |
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