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    SubjectRe: [PATCH 3/3] mm: Introduce HAVE_ARCH_TRANSPARENT_HUGEPAGE
    Hi Andrew,

    On Thu, 13 Sep 2012 12:05:14 -0700 Andrew Morton <akpm@linux-foundation.org> wrote:
    >
    > diff -puN arch/x86/Kconfig~mm-introduce-have_arch_transparent_hugepage arch/x86/Kconfig
    > --- a/arch/x86/Kconfig~mm-introduce-have_arch_transparent_hugepage
    > +++ a/arch/x86/Kconfig
    > @@ -83,7 +83,6 @@ config X86
    > select IRQ_FORCED_THREADING
    > select USE_GENERIC_SMP_HELPERS if SMP
    > select HAVE_BPF_JIT if X86_64
    > - select HAVE_ARCH_TRANSPARENT_HUGEPAGE

    Why not
    select HAVE_ARCH_TRANSPARENT_HUGEPAGE if MMU

    > select CLKEVT_I8253
    > select ARCH_HAVE_NMI_SAFE_CMPXCHG
    > select GENERIC_IOMAP
    > @@ -1330,6 +1329,10 @@ config ILLEGAL_POINTER_VALUE
    > default 0 if X86_32
    > default 0xdead000000000000 if X86_64
    >
    > +config HAVE_ARCH_TRANSPARENT_HUGEPAGE
    > + def_bool y
    > + depends on MMU
    > +

    --
    Cheers,
    Stephen Rothwell sfr@canb.auug.org.au
    http://www.canb.auug.org.au/~sfr/
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