Merge tag 'mips_fixes_4.19_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

#include <linux/err.h>

#include <linux/init.h>

#include <linux/ioport.h>

#include <linux/kernel.h>

#include <linux/mm.h>

#include <linux/sched.h>

#include <linux/slab.h>

#include <asm/abi.h>

#include <asm/mips-cps.h>

#include <asm/page.h>

#include <asm/vdso.h>

/* Kernel-provided data used by the VDSO. */

	vvar_size = gic_size + PAGE_SIZE;

	size = vvar_size + image->size;

	/*

	 * Find a region that's large enough for us to perform the

	 * colour-matching alignment below.

	 */

	if (cpu_has_dc_aliases)

		size += shm_align_mask + 1;

	base = get_unmapped_area(NULL, 0, size, 0, 0);

	if (IS_ERR_VALUE(base)) {

		ret = base;

		goto out;

	}

	/*

	 * If we suffer from dcache aliasing, ensure that the VDSO data page

	 * mapping is coloured the same as the kernel's mapping of that memory.

	 * This ensures that when the kernel updates the VDSO data userland

	 * will observe it without requiring cache invalidations.

	 */

	if (cpu_has_dc_aliases) {

		base = __ALIGN_MASK(base, shm_align_mask);

		base += ((unsigned long)&vdso_data - gic_size) & shm_align_mask;

	}

	data_addr = base + gic_size;

	vdso_addr = data_addr + PAGE_SIZE;