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-rw-r--r--arch/s390/mm/Makefile1
-rw-r--r--arch/s390/mm/dump_pagetables.c1
-rw-r--r--arch/s390/mm/extmem.c1
-rw-r--r--arch/s390/mm/fault.c1
-rw-r--r--arch/s390/mm/gup.c1
-rw-r--r--arch/s390/mm/hugetlbpage.c1
-rw-r--r--arch/s390/mm/init.c5
-rw-r--r--arch/s390/mm/maccess.c1
-rw-r--r--arch/s390/mm/mem_detect.c1
-rw-r--r--arch/s390/mm/page-states.c1
-rw-r--r--arch/s390/mm/pageattr.c1
-rw-r--r--arch/s390/mm/pgalloc.c15
-rw-r--r--arch/s390/mm/vmem.c17
13 files changed, 30 insertions, 17 deletions
diff --git a/arch/s390/mm/Makefile b/arch/s390/mm/Makefile
index 0aa0ad165d8b..33fe418506bc 100644
--- a/arch/s390/mm/Makefile
+++ b/arch/s390/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux s390-specific parts of the memory manager.
#
diff --git a/arch/s390/mm/dump_pagetables.c b/arch/s390/mm/dump_pagetables.c
index 049c3c455b32..507f23ba2034 100644
--- a/arch/s390/mm/dump_pagetables.c
+++ b/arch/s390/mm/dump_pagetables.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/seq_file.h>
#include <linux/debugfs.h>
#include <linux/sched.h>
diff --git a/arch/s390/mm/extmem.c b/arch/s390/mm/extmem.c
index 9f118629b55f..920d40894535 100644
--- a/arch/s390/mm/extmem.c
+++ b/arch/s390/mm/extmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Author(s)......: Carsten Otte <cotte@de.ibm.com>
* Rob M van der Heij <rvdheij@nl.ibm.com>
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index bdabb013537b..242b78c0a9ec 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* S390 version
* Copyright IBM Corp. 1999
diff --git a/arch/s390/mm/gup.c b/arch/s390/mm/gup.c
index 98ffe3ee9411..05c8abd864f1 100644
--- a/arch/s390/mm/gup.c
+++ b/arch/s390/mm/gup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Lockless get_user_pages_fast for s390
*
diff --git a/arch/s390/mm/hugetlbpage.c b/arch/s390/mm/hugetlbpage.c
index 44a8e6f0391e..e804090f4470 100644
--- a/arch/s390/mm/hugetlbpage.c
+++ b/arch/s390/mm/hugetlbpage.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* IBM System z Huge TLB Page Support for Kernel.
*
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 3b567838b905..817c9e16e83e 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* S390 version
* Copyright IBM Corp. 1999
@@ -144,8 +145,8 @@ void __init mem_init(void)
void free_initmem(void)
{
- __set_memory((unsigned long) _sinittext,
- (_einittext - _sinittext) >> PAGE_SHIFT,
+ __set_memory((unsigned long)_sinittext,
+ (unsigned long)(_einittext - _sinittext) >> PAGE_SHIFT,
SET_MEMORY_RW | SET_MEMORY_NX);
free_initmem_default(POISON_FREE_INITMEM);
}
diff --git a/arch/s390/mm/maccess.c b/arch/s390/mm/maccess.c
index 792f9c63fbca..7be06475809b 100644
--- a/arch/s390/mm/maccess.c
+++ b/arch/s390/mm/maccess.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Access kernel memory without faulting -- s390 specific implementation.
*
diff --git a/arch/s390/mm/mem_detect.c b/arch/s390/mm/mem_detect.c
index e58dca05b962..21f6c82c8296 100644
--- a/arch/s390/mm/mem_detect.c
+++ b/arch/s390/mm/mem_detect.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2008, 2009
*
diff --git a/arch/s390/mm/page-states.c b/arch/s390/mm/page-states.c
index 07fa7b8ae233..382153ff17e3 100644
--- a/arch/s390/mm/page-states.c
+++ b/arch/s390/mm/page-states.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2008
*
diff --git a/arch/s390/mm/pageattr.c b/arch/s390/mm/pageattr.c
index 552f898dfa74..c44171588d08 100644
--- a/arch/s390/mm/pageattr.c
+++ b/arch/s390/mm/pageattr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2011
* Author(s): Jan Glauber <jang@linux.vnet.ibm.com>
diff --git a/arch/s390/mm/pgalloc.c b/arch/s390/mm/pgalloc.c
index 05f1f27e6708..4ad4c4f77b4d 100644
--- a/arch/s390/mm/pgalloc.c
+++ b/arch/s390/mm/pgalloc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Page table allocation functions
*
@@ -158,13 +159,13 @@ static inline unsigned int atomic_xor_bits(atomic_t *v, unsigned int bits)
struct page *page_table_alloc_pgste(struct mm_struct *mm)
{
struct page *page;
- unsigned long *table;
+ u64 *table;
page = alloc_page(GFP_KERNEL);
if (page) {
- table = (unsigned long *) page_to_phys(page);
- clear_table(table, _PAGE_INVALID, PAGE_SIZE/2);
- clear_table(table + PTRS_PER_PTE, 0, PAGE_SIZE/2);
+ table = (u64 *)page_to_phys(page);
+ memset64(table, _PAGE_INVALID, PTRS_PER_PTE);
+ memset64(table + PTRS_PER_PTE, 0, PTRS_PER_PTE);
}
return page;
}
@@ -221,12 +222,12 @@ unsigned long *page_table_alloc(struct mm_struct *mm)
if (mm_alloc_pgste(mm)) {
/* Return 4K page table with PGSTEs */
atomic_set(&page->_mapcount, 3);
- clear_table(table, _PAGE_INVALID, PAGE_SIZE/2);
- clear_table(table + PTRS_PER_PTE, 0, PAGE_SIZE/2);
+ memset64((u64 *)table, _PAGE_INVALID, PTRS_PER_PTE);
+ memset64((u64 *)table + PTRS_PER_PTE, 0, PTRS_PER_PTE);
} else {
/* Return the first 2K fragment of the page */
atomic_set(&page->_mapcount, 1);
- clear_table(table, _PAGE_INVALID, PAGE_SIZE);
+ memset64((u64 *)table, _PAGE_INVALID, 2 * PTRS_PER_PTE);
spin_lock_bh(&mm->context.lock);
list_add(&page->lru, &mm->context.pgtable_list);
spin_unlock_bh(&mm->context.lock);
diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c
index c0af0d7b6e5f..3316d463fc29 100644
--- a/arch/s390/mm/vmem.c
+++ b/arch/s390/mm/vmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2006
* Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
@@ -59,7 +60,7 @@ pte_t __ref *vmem_pte_alloc(void)
pte = (pte_t *) memblock_alloc(size, size);
if (!pte)
return NULL;
- clear_table((unsigned long *) pte, _PAGE_INVALID, size);
+ memset64((u64 *)pte, _PAGE_INVALID, PTRS_PER_PTE);
return pte;
}
@@ -402,17 +403,17 @@ void __init vmem_map_init(void)
for_each_memblock(memory, reg)
vmem_add_mem(reg->base, reg->size);
- __set_memory((unsigned long) _stext,
- (_etext - _stext) >> PAGE_SHIFT,
+ __set_memory((unsigned long)_stext,
+ (unsigned long)(_etext - _stext) >> PAGE_SHIFT,
SET_MEMORY_RO | SET_MEMORY_X);
- __set_memory((unsigned long) _etext,
- (_eshared - _etext) >> PAGE_SHIFT,
+ __set_memory((unsigned long)_etext,
+ (unsigned long)(__end_rodata - _etext) >> PAGE_SHIFT,
SET_MEMORY_RO);
- __set_memory((unsigned long) _sinittext,
- (_einittext - _sinittext) >> PAGE_SHIFT,
+ __set_memory((unsigned long)_sinittext,
+ (unsigned long)(_einittext - _sinittext) >> PAGE_SHIFT,
SET_MEMORY_RO | SET_MEMORY_X);
pr_info("Write protected kernel read-only data: %luk\n",
- (_eshared - _stext) >> 10);
+ (unsigned long)(__end_rodata - _stext) >> 10);
}
/*
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