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mm: percpu: add generic pcpu_populate_pte() function
With NEED_PER_CPU_PAGE_FIRST_CHUNK enabled, we need a function to populate pte, this patch adds a generic pcpu populate pte function, pcpu_populate_pte(), which is marked __weak and used on most architectures, but it is overridden on x86, which has its own implementation. Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Kefeng Wang <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: "David S. Miller" <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Dave Hansen <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> Cc: "Rafael J. Wysocki" <[email protected]> Cc: Dennis Zhou <[email protected]> Cc: Tejun Heo <[email protected]> Cc: Christoph Lameter <[email protected]> Cc: Albert Ou <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: Palmer Dabbelt <[email protected]> Cc: Paul Walmsley <[email protected]> Cc: Thomas Bogendoerfer <[email protected]> Cc: Will Deacon <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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