Commit a3dece6d authored Apr 29, 2016 by Aneesh Kumar K.V Committed by Michael Ellerman May 11, 2016

powerpc/radix: Update MMU cache



With radix there is no MMU cache. Hence we don't need to do anything in
update_mmu_cache().

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

parent d6a9996e

arch/powerpc/mm/mem.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -499,6 +499,8 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address,
		* called with either mm->page_table_lock held or ptl lock held
		*/
		unsigned long access = 0, trap;
		if (radix_enabled())
		return;

		/* We only want HPTEs for linux PTEs that have _PAGE_ACCESSED set */
		if (!pte_young(*ptep) \|\| address >= TASK_SIZE)