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Commit eab1eef9 authored by Catalin Marinas's avatar Catalin Marinas Committed by Linus Torvalds
Browse files

mm: thp: fix the update_mmu_cache() last argument passing in mm/huge_memory.c 



The update_mmu_cache() takes a pointer (to pte_t by default) as the last
argument but the huge_memory.c passes a pmd_t value.  The patch changes
the argument to the pmd_t * pointer.

Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Signed-off-by: default avatarSteve Capper <steve.capper@arm.com>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: default avatarKirill A. Shutemov <kirill@shutemov.name>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Reviewed-by: default avatarAndrea Arcangeli <aarcange@redhat.com>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 2d28a227

mm/huge_memory.c

+3 −3
Original line number Diff line number Diff line
@@ -889,7 +889,7 @@ int do_huge_pmd_wp_page(struct mm_struct *mm, struct vm_area_struct *vma, 
		entry = pmd_mkyoung(orig_pmd);

		entry = maybe_pmd_mkwrite(pmd_mkdirty(entry), vma);

		if (pmdp_set_access_flags(vma, haddr, pmd, entry,  1))

			update_mmu_cache(vma, address, entry);

			update_mmu_cache(vma, address, pmd);

		ret |= VM_FAULT_WRITE;

		goto out_unlock;

	}
@@ -941,7 +941,7 @@ int do_huge_pmd_wp_page(struct mm_struct *mm, struct vm_area_struct *vma, 
		pmdp_clear_flush_notify(vma, haddr, pmd);

		page_add_new_anon_rmap(new_page, vma, haddr);

		set_pmd_at(mm, haddr, pmd, entry);

		update_mmu_cache(vma, address, entry);

		update_mmu_cache(vma, address, pmd);

		page_remove_rmap(page);

		put_page(page);

		ret |= VM_FAULT_WRITE;
@@ -2002,7 +2002,7 @@ static void collapse_huge_page(struct mm_struct *mm, 
	BUG_ON(!pmd_none(*pmd));

	page_add_new_anon_rmap(new_page, vma, address);

	set_pmd_at(mm, address, pmd, _pmd);

	update_mmu_cache(vma, address, _pmd);

	update_mmu_cache(vma, address, pmd);

	pgtable_trans_huge_deposit(mm, pgtable);

	spin_unlock(&mm->page_table_lock);