• Peter Zijlstra's avatar
    powerpc: mmu_gather rework · d6bf29b4
    Peter Zijlstra authored
    Fix up powerpc to the new mmu_gather stuff.
    
    PPC has an extra batching queue to RCU free the actual pagetable
    allocations, use the ARCH extentions for that for now.
    
    For the ppc64_tlb_batch, which tracks the vaddrs to unhash from the
    hardware hash-table, keep using per-cpu arrays but flush on context switch
    and use a TLF bit to track the lazy_mmu state.
    Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
    Acked-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
    Cc: David Miller <davem@davemloft.net>
    Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
    Cc: Russell King <rmk@arm.linux.org.uk>
    Cc: Paul Mundt <lethal@linux-sh.org>
    Cc: Jeff Dike <jdike@addtoit.com>
    Cc: Richard Weinberger <richard@nod.at>
    Cc: Tony Luck <tony.luck@intel.com>
    Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
    Cc: Hugh Dickins <hughd@google.com>
    Cc: Mel Gorman <mel@csn.ul.ie>
    Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
    Cc: Nick Piggin <npiggin@kernel.dk>
    Cc: Namhyung Kim <namhyung@gmail.com>
    Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
    Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
    d6bf29b4
tlb_nohash.c 14.9 KB