Merge branch into tip/master: 'x86/mm'

 # New commits in x86/mm:
    18d6b3df5aa9 ("x86/mm: Fix user-space data loss with MADV_FREE and THP")
    394562a5546a ("x86/mm/pat: Allocate split page tables as kernel page tables")
    d14648849f1b ("x86/alternatives: Exclude text poking against change_page_attr()")
    53d22a66b9c6 ("x86/mm/pat: Acquire init_mm read lock on attribute changes to avoid UAF")
    47b439d62771 ("x86/mm/pat: Acquire init_mm write lock on collapse to avoid UAF")

Signed-off-by: Ingo Molnar <mingo@kernel.org>