arch_phys_wc_add man page on OpenSuSE

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ARCH_PHYS_WC_ADD(9)	      Hardware Interfaces	   ARCH_PHYS_WC_ADD(9)

NAME
       arch_phys_wc_add - add a WC MTRR and handle errors if PAT is
       unavailable

SYNOPSIS
       int arch_phys_wc_add(unsigned long base, unsigned long size);

ARGUMENTS
       base
	   Physical base address

       size
	   Size of region

DESCRIPTION
       If PAT is available, this does nothing. If PAT is unavailable, it
       attempts to add a WC MTRR covering size bytes starting at base and logs
       an error if this fails.

       Drivers must store the return value to pass to mtrr_del_wc_if_needed,
       but drivers should not try to interpret that return value.

COPYRIGHT
Kernel Hackers Manual 3.11	 November 2013		   ARCH_PHYS_WC_ADD(9)
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