4 files changed, 16 insertions, 22 deletions

diff --git a/arch/tile/mm/fault.c b/arch/tile/mm/fault.c
index 111d5a9b76f..6c0571216a9 100644
--- a/arch/tile/mm/fault.c
+++ b/arch/tile/mm/fault.c
@@ -149,8 +149,6 @@ static inline int vmalloc_fault(pgd_t *pgd, unsigned long address)
 	pmd_k = vmalloc_sync_one(pgd, address);
 	if (!pmd_k)
 		return -1;
-	if (pmd_huge(*pmd_k))
-		return 0;   /* support TILE huge_vmap() API */
 	pte_k = pte_offset_kernel(pmd_k, address);
 	if (!pte_present(*pte_k))
 		return -1;
@@ -280,8 +278,7 @@ static int handle_page_fault(struct pt_regs *regs,
 	if (!is_page_fault)
 		write = 1;
 
-	flags = (FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE |
-		 (write ? FAULT_FLAG_WRITE : 0));
+	flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
 
 	is_kernel_mode = !user_mode(regs);
 
@@ -365,6 +362,9 @@ static int handle_page_fault(struct pt_regs *regs,
 		goto bad_area_nosemaphore;
 	}
 
+	if (!is_kernel_mode)
+		flags |= FAULT_FLAG_USER;
+
 	/*
 	 * When running in the kernel we expect faults to occur only to
 	 * addresses in user space.  All other faults represent errors in the
@@ -425,12 +425,12 @@ good_area:
 #endif
 		if (!(vma->vm_flags & VM_WRITE))
 			goto bad_area;
+		flags |= FAULT_FLAG_WRITE;
 	} else {
 		if (!is_page_fault || !(vma->vm_flags & VM_READ))
 			goto bad_area;
 	}
 
- survive:
 	/*
 	 * If for any reason at all we couldn't handle the fault,
 	 * make sure we exit gracefully rather than endlessly redo
@@ -555,11 +555,6 @@ no_context:
  */
 out_of_memory:
 	up_read(&mm->mmap_sem);
-	if (is_global_init(tsk)) {
-		yield();
-		down_read(&mm->mmap_sem);
-		goto survive;
-	}
 	if (is_kernel_mode)
 		goto no_context;
 	pagefault_out_of_memory();
diff --git a/arch/tile/mm/homecache.c b/arch/tile/mm/homecache.c
index 004ba568d93..33294fdc402 100644
--- a/arch/tile/mm/homecache.c
+++ b/arch/tile/mm/homecache.c
@@ -417,7 +417,7 @@ void __homecache_free_pages(struct page *page, unsigned int order)
 	if (put_page_testzero(page)) {
 		homecache_change_page_home(page, order, PAGE_HOME_HASH);
 		if (order == 0) {
-			free_hot_cold_page(page, 0);
+			free_hot_cold_page(page, false);
 		} else {
 			init_page_count(page);
 			__free_pages(page, order);
diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c
index 4e316deb92f..bfb3127b4df 100644
--- a/arch/tile/mm/init.c
+++ b/arch/tile/mm/init.c
@@ -273,9 +273,9 @@ static pgprot_t __init init_pgprot(ulong address)
 	/*
 	 * Otherwise we just hand out consecutive cpus.  To avoid
 	 * requiring this function to hold state, we just walk forward from
-	 * _sdata by PAGE_SIZE, skipping the readonly and init data, to reach
-	 * the requested address, while walking cpu home around kdata_mask.
-	 * This is typically no more than a dozen or so iterations.
+	 * __end_rodata by PAGE_SIZE, skipping the readonly and init data, to
+	 * reach the requested address, while walking cpu home around
+	 * kdata_mask. This is typically no more than a dozen or so iterations.
 	 */
 	page = (((ulong)__end_rodata) + PAGE_SIZE - 1) & PAGE_MASK;
 	BUG_ON(address < page || address >= (ulong)_end);
@@ -828,10 +828,6 @@ void __init mem_init(void)
 	printk(KERN_DEBUG "  PKMAP   %#lx - %#lx\n",
 	       PKMAP_BASE, PKMAP_ADDR(LAST_PKMAP) - 1);
 #endif
-#ifdef CONFIG_HUGEVMAP
-	printk(KERN_DEBUG "  HUGEMAP %#lx - %#lx\n",
-	       HUGE_VMAP_BASE, HUGE_VMAP_END - 1);
-#endif
 	printk(KERN_DEBUG "  VMALLOC %#lx - %#lx\n",
 	       _VMALLOC_START, _VMALLOC_END - 1);
 #ifdef __tilegx__
@@ -916,7 +912,7 @@ static long __write_once initfree = 1;
 static int __init set_initfree(char *str)
 {
 	long val;
-	if (strict_strtol(str, 0, &val) == 0) {
+	if (kstrtol(str, 0, &val) == 0) {
 		initfree = val;
 		pr_info("initfree: %s free init pages\n",
 			initfree ? "will" : "won't");
diff --git a/arch/tile/mm/pgtable.c b/arch/tile/mm/pgtable.c
index 2deaddf3e01..5e86eac4bfa 100644
--- a/arch/tile/mm/pgtable.c
+++ b/arch/tile/mm/pgtable.c
@@ -127,8 +127,7 @@ void shatter_huge_page(unsigned long addr)
 	}
 
 	/* Shatter the huge page into the preallocated L2 page table. */
-	pmd_populate_kernel(&init_mm, pmd,
-			    get_prealloc_pte(pte_pfn(*(pte_t *)pmd)));
+	pmd_populate_kernel(&init_mm, pmd, get_prealloc_pte(pmd_pfn(*pmd)));
 
 #ifdef __PAGETABLE_PMD_FOLDED
 	/* Walk every pgd on the system and update the pmd there. */
@@ -242,6 +241,11 @@ struct page *pgtable_alloc_one(struct mm_struct *mm, unsigned long address,
 	if (p == NULL)
 		return NULL;
 
+	if (!pgtable_page_ctor(p)) {
+		__free_pages(p, L2_USER_PGTABLE_ORDER);
+		return NULL;
+	}
+
 	/*
 	 * Make every page have a page_count() of one, not just the first.
 	 * We don't use __GFP_COMP since it doesn't look like it works
@@ -252,7 +256,6 @@ struct page *pgtable_alloc_one(struct mm_struct *mm, unsigned long address,
 		inc_zone_page_state(p+i, NR_PAGETABLE);
 	}
 
-	pgtable_page_ctor(p);
 	return p;
 }