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    x86,percpu: generalize 4k first chunk allocator · d4b95f80
    Tejun Heo 提交于
    Generalize and move x86 setup_pcpu_4k() into pcpu_4k_first_chunk().
    setup_pcpu_4k() now is a simple wrapper around the generalized
    version.  Other than taking size parameters and using arch supplied
    callbacks to allocate/free memory, pcpu_4k_first_chunk() is identical
    to the original implementation.
    
    This simplifies arch code and will help converting more archs to
    dynamic percpu allocator.
    
    While at it, s/pcpu_populate_pte_fn_t/pcpu_fc_populate_pte_fn_t/ for
    consistency.
    
    [ Impact: code reorganization and generalization ]
    Signed-off-by: NTejun Heo <tj@kernel.org>
    Cc: Ingo Molnar <mingo@elte.hu>
    d4b95f80
percpu.c 39.8 KB