On Thu, May 23, 2013 at 06:07:48PM +0100, Steve Capper wrote: > Under x86, multiple puds can be made to reference the same bank of > huge pmds provided that they represent a full PUD_SIZE of shared > huge memory that is aligned to a PUD_SIZE boundary. > > The code to share pmds does not require any architecture specific > knowledge other than the fact that pmds can be indexed, thus can > be beneficial to some other architectures. > > This patch copies the huge pmd sharing (and unsharing) logic from > x86/ to mm/ and introduces a new config option to activate it: > CONFIG_ARCH_WANTS_HUGE_PMD_SHARE > > Signed-off-by: Steve Capper <steve.capper@xxxxxxxxxx> Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
