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-rw-r--r--mm/Kconfig7
-rw-r--r--mm/bootmem.c2
-rw-r--r--mm/fadvise.c2
-rw-r--r--mm/filemap.c18
-rw-r--r--mm/highmem.c5
-rw-r--r--mm/hugetlb.c23
-rw-r--r--mm/page-writeback.c2
-rw-r--r--mm/page_alloc.c2
-rw-r--r--mm/pdflush.c2
-rw-r--r--mm/readahead.c2
-rw-r--r--mm/shmem.c4
-rw-r--r--mm/truncate.c2
-rw-r--r--mm/vmalloc.c7
13 files changed, 51 insertions, 27 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index 0bd9c2dbb2a..1a501a4de95 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -101,7 +101,7 @@ config HAVE_MEMORY_PRESENT
# with gcc 3.4 and later.
#
config SPARSEMEM_STATIC
- def_bool n
+ bool
#
# Architecture platforms which require a two level mem_section in SPARSEMEM
@@ -113,7 +113,7 @@ config SPARSEMEM_EXTREME
depends on SPARSEMEM && !SPARSEMEM_STATIC
config SPARSEMEM_VMEMMAP_ENABLE
- def_bool n
+ bool
config SPARSEMEM_VMEMMAP
bool "Sparse Memory virtual memmap"
@@ -187,6 +187,9 @@ config RESOURCES_64BIT
help
This option allows memory and IO resources to be 64 bit.
+config PHYS_ADDR_T_64BIT
+ def_bool 64BIT || ARCH_PHYS_ADDR_T_64BIT
+
config ZONE_DMA_FLAG
int
default "0" if !ZONE_DMA
diff --git a/mm/bootmem.c b/mm/bootmem.c
index ad8eec6e44a..ac5a891f142 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -48,7 +48,7 @@ early_param("bootmem_debug", bootmem_debug_setup);
if (unlikely(bootmem_debug)) \
printk(KERN_INFO \
"bootmem::%s " fmt, \
- __FUNCTION__, ## args); \
+ __func__, ## args); \
})
static unsigned long __init bootmap_bytes(unsigned long pages)
diff --git a/mm/fadvise.c b/mm/fadvise.c
index 343cfdfebd9..a1da969bd98 100644
--- a/mm/fadvise.c
+++ b/mm/fadvise.c
@@ -3,7 +3,7 @@
*
* Copyright (C) 2002, Linus Torvalds
*
- * 11Jan2003 akpm@digeo.com
+ * 11Jan2003 Andrew Morton
* Initial version.
*/
diff --git a/mm/filemap.c b/mm/filemap.c
index 876bc595d0f..903bf316912 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1100,8 +1100,9 @@ page_ok:
page_not_up_to_date:
/* Get exclusive access to the page ... */
- if (lock_page_killable(page))
- goto readpage_eio;
+ error = lock_page_killable(page);
+ if (unlikely(error))
+ goto readpage_error;
page_not_up_to_date_locked:
/* Did it get truncated before we got the lock? */
@@ -1130,8 +1131,9 @@ readpage:
}
if (!PageUptodate(page)) {
- if (lock_page_killable(page))
- goto readpage_eio;
+ error = lock_page_killable(page);
+ if (unlikely(error))
+ goto readpage_error;
if (!PageUptodate(page)) {
if (page->mapping == NULL) {
/*
@@ -1143,15 +1145,14 @@ readpage:
}
unlock_page(page);
shrink_readahead_size_eio(filp, ra);
- goto readpage_eio;
+ error = -EIO;
+ goto readpage_error;
}
unlock_page(page);
}
goto page_ok;
-readpage_eio:
- error = -EIO;
readpage_error:
/* UHHUH! A synchronous read error occurred. Report it */
desc->error = error;
@@ -1186,8 +1187,7 @@ out:
ra->prev_pos |= prev_offset;
*ppos = ((loff_t)index << PAGE_CACHE_SHIFT) + offset;
- if (filp)
- file_accessed(filp);
+ file_accessed(filp);
}
int file_read_actor(read_descriptor_t *desc, struct page *page,
diff --git a/mm/highmem.c b/mm/highmem.c
index e16e1523b68..b36b83b920f 100644
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -70,6 +70,7 @@ static DECLARE_WAIT_QUEUE_HEAD(pkmap_map_wait);
static void flush_all_zero_pkmaps(void)
{
int i;
+ int need_flush = 0;
flush_cache_kmaps();
@@ -101,8 +102,10 @@ static void flush_all_zero_pkmaps(void)
&pkmap_page_table[i]);
set_page_address(page, NULL);
+ need_flush = 1;
}
- flush_tlb_kernel_range(PKMAP_ADDR(0), PKMAP_ADDR(LAST_PKMAP));
+ if (need_flush)
+ flush_tlb_kernel_range(PKMAP_ADDR(0), PKMAP_ADDR(LAST_PKMAP));
}
/**
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 67a71191136..38633864a93 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2008,7 +2008,7 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
entry = huge_ptep_get(ptep);
if (huge_pte_none(entry)) {
ret = hugetlb_no_page(mm, vma, address, ptep, write_access);
- goto out_unlock;
+ goto out_mutex;
}
ret = 0;
@@ -2024,7 +2024,7 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
if (write_access && !pte_write(entry)) {
if (vma_needs_reservation(h, vma, address) < 0) {
ret = VM_FAULT_OOM;
- goto out_unlock;
+ goto out_mutex;
}
if (!(vma->vm_flags & VM_SHARED))
@@ -2034,10 +2034,23 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
spin_lock(&mm->page_table_lock);
/* Check for a racing update before calling hugetlb_cow */
- if (likely(pte_same(entry, huge_ptep_get(ptep))))
- if (write_access && !pte_write(entry))
+ if (unlikely(!pte_same(entry, huge_ptep_get(ptep))))
+ goto out_page_table_lock;
+
+
+ if (write_access) {
+ if (!pte_write(entry)) {
ret = hugetlb_cow(mm, vma, address, ptep, entry,
pagecache_page);
+ goto out_page_table_lock;
+ }
+ entry = pte_mkdirty(entry);
+ }
+ entry = pte_mkyoung(entry);
+ if (huge_ptep_set_access_flags(vma, address, ptep, entry, write_access))
+ update_mmu_cache(vma, address, entry);
+
+out_page_table_lock:
spin_unlock(&mm->page_table_lock);
if (pagecache_page) {
@@ -2045,7 +2058,7 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
put_page(pagecache_page);
}
-out_unlock:
+out_mutex:
mutex_unlock(&hugetlb_instantiation_mutex);
return ret;
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 24de8b65fdb..c130a137c12 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -7,7 +7,7 @@
* Contains functions related to writing back dirty pages at the
* address_space level.
*
- * 10Apr2002 akpm@zip.com.au
+ * 10Apr2002 Andrew Morton
* Initial version
*/
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 27b8681139f..9eb9eb92828 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3952,7 +3952,7 @@ static void check_for_regular_memory(pg_data_t *pgdat)
void __init free_area_init_nodes(unsigned long *max_zone_pfn)
{
unsigned long nid;
- enum zone_type i;
+ int i;
/* Sort early_node_map as initialisation assumes it is sorted */
sort_node_map();
diff --git a/mm/pdflush.c b/mm/pdflush.c
index 0cbe0c60c6b..a0a14c4d507 100644
--- a/mm/pdflush.c
+++ b/mm/pdflush.c
@@ -3,7 +3,7 @@
*
* Copyright (C) 2002, Linus Torvalds.
*
- * 09Apr2002 akpm@zip.com.au
+ * 09Apr2002 Andrew Morton
* Initial version
* 29Feb2004 kaos@sgi.com
* Move worker thread creation to kthread to avoid chewing
diff --git a/mm/readahead.c b/mm/readahead.c
index 77e8ddf945e..6cbd9a72fde 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -3,7 +3,7 @@
*
* Copyright (C) 2002, Linus Torvalds
*
- * 09Apr2002 akpm@zip.com.au
+ * 09Apr2002 Andrew Morton
* Initial version.
*/
diff --git a/mm/shmem.c b/mm/shmem.c
index 04fb4f1ab88..bf66d0191ba 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -50,14 +50,12 @@
#include <linux/migrate.h>
#include <linux/highmem.h>
#include <linux/seq_file.h>
+#include <linux/magic.h>
#include <asm/uaccess.h>
#include <asm/div64.h>
#include <asm/pgtable.h>
-/* This magic number is used in glibc for posix shared memory */
-#define TMPFS_MAGIC 0x01021994
-
#define ENTRIES_PER_PAGE (PAGE_CACHE_SIZE/sizeof(unsigned long))
#define ENTRIES_PER_PAGEPAGE (ENTRIES_PER_PAGE*ENTRIES_PER_PAGE)
#define BLOCKS_PER_PAGE (PAGE_CACHE_SIZE/512)
diff --git a/mm/truncate.c b/mm/truncate.c
index 6650c1d878b..e83e4b114ef 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -3,7 +3,7 @@
*
* Copyright (C) 2002, Linus Torvalds
*
- * 10Sep2002 akpm@zip.com.au
+ * 10Sep2002 Andrew Morton
* Initial version.
*/
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 85b9a0d2c87..bba06c41fc5 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -180,6 +180,13 @@ struct page *vmalloc_to_page(const void *vmalloc_addr)
pmd_t *pmd;
pte_t *ptep, pte;
+ /*
+ * XXX we might need to change this if we add VIRTUAL_BUG_ON for
+ * architectures that do not vmalloc module space
+ */
+ VIRTUAL_BUG_ON(!is_vmalloc_addr(vmalloc_addr) &&
+ !is_module_address(addr));
+
if (!pgd_none(*pgd)) {
pud = pud_offset(pgd, addr);
if (!pud_none(*pud)) {
generated by cgit (git 2.34.1) at 2024-11-16 17:25:58 +0000