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authorDavid S. Miller <davem@davemloft.net>2008-12-15 23:03:50 -0500
committerDavid S. Miller <davem@davemloft.net>2008-12-15 23:03:50 -0500
commiteb14f019597cd86c21a6c601d7e900f40030c2e7 (patch)
tree36fb2f36a1747f98988f87215db1eef3a71d45eb /mm
parent9a4a84294b0d60b8c287131478f743ba2bc68949 (diff)
parenta3dd15444baa9c7522c8457ab564c41219dfb44c (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/e1000e/ich8lan.c
Diffstat (limited to 'mm')
-rw-r--r--mm/backing-dev.c2
-rw-r--r--mm/migrate.c59
-rw-r--r--mm/page_cgroup.c3
-rw-r--r--mm/slob.c2
-rw-r--r--mm/slub.c2
-rw-r--r--mm/swap.c13
-rw-r--r--mm/vmalloc.c2
7 files changed, 53 insertions, 30 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 2a56124dbc28..801c08b046e6 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -176,7 +176,7 @@ int bdi_register(struct backing_dev_info *bdi, struct device *parent,
176 int ret = 0; 176 int ret = 0;
177 struct device *dev; 177 struct device *dev;
178 178
179 if (WARN_ON(bdi->dev)) 179 if (bdi->dev) /* The driver needs to use separate queues per device */
180 goto exit; 180 goto exit;
181 181
182 va_start(args, fmt); 182 va_start(args, fmt);
diff --git a/mm/migrate.c b/mm/migrate.c
index 1e0d6b237f44..d8f07667fc80 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -987,25 +987,18 @@ out:
987/* 987/*
988 * Determine the nodes of an array of pages and store it in an array of status. 988 * Determine the nodes of an array of pages and store it in an array of status.
989 */ 989 */
990static int do_pages_stat(struct mm_struct *mm, unsigned long nr_pages, 990static void do_pages_stat_array(struct mm_struct *mm, unsigned long nr_pages,
991 const void __user * __user *pages, 991 const void __user **pages, int *status)
992 int __user *status)
993{ 992{
994 unsigned long i; 993 unsigned long i;
995 int err;
996 994
997 down_read(&mm->mmap_sem); 995 down_read(&mm->mmap_sem);
998 996
999 for (i = 0; i < nr_pages; i++) { 997 for (i = 0; i < nr_pages; i++) {
1000 const void __user *p; 998 unsigned long addr = (unsigned long)(*pages);
1001 unsigned long addr;
1002 struct vm_area_struct *vma; 999 struct vm_area_struct *vma;
1003 struct page *page; 1000 struct page *page;
1004 1001 int err;
1005 err = -EFAULT;
1006 if (get_user(p, pages+i))
1007 goto out;
1008 addr = (unsigned long) p;
1009 1002
1010 vma = find_vma(mm, addr); 1003 vma = find_vma(mm, addr);
1011 if (!vma) 1004 if (!vma)
@@ -1024,12 +1017,52 @@ static int do_pages_stat(struct mm_struct *mm, unsigned long nr_pages,
1024 1017
1025 err = page_to_nid(page); 1018 err = page_to_nid(page);
1026set_status: 1019set_status:
1027 put_user(err, status+i); 1020 *status = err;
1021
1022 pages++;
1023 status++;
1024 }
1025
1026 up_read(&mm->mmap_sem);
1027}
1028
1029/*
1030 * Determine the nodes of a user array of pages and store it in
1031 * a user array of status.
1032 */
1033static int do_pages_stat(struct mm_struct *mm, unsigned long nr_pages,
1034 const void __user * __user *pages,
1035 int __user *status)
1036{
1037#define DO_PAGES_STAT_CHUNK_NR 16
1038 const void __user *chunk_pages[DO_PAGES_STAT_CHUNK_NR];
1039 int chunk_status[DO_PAGES_STAT_CHUNK_NR];
1040 unsigned long i, chunk_nr = DO_PAGES_STAT_CHUNK_NR;
1041 int err;
1042
1043 for (i = 0; i < nr_pages; i += chunk_nr) {
1044 if (chunk_nr + i > nr_pages)
1045 chunk_nr = nr_pages - i;
1046
1047 err = copy_from_user(chunk_pages, &pages[i],
1048 chunk_nr * sizeof(*chunk_pages));
1049 if (err) {
1050 err = -EFAULT;
1051 goto out;
1052 }
1053
1054 do_pages_stat_array(mm, chunk_nr, chunk_pages, chunk_status);
1055
1056 err = copy_to_user(&status[i], chunk_status,
1057 chunk_nr * sizeof(*chunk_status));
1058 if (err) {
1059 err = -EFAULT;
1060 goto out;
1061 }
1028 } 1062 }
1029 err = 0; 1063 err = 0;
1030 1064
1031out: 1065out:
1032 up_read(&mm->mmap_sem);
1033 return err; 1066 return err;
1034} 1067}
1035 1068
diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c
index 0b3cbf090a67..ab27ff750519 100644
--- a/mm/page_cgroup.c
+++ b/mm/page_cgroup.c
@@ -49,6 +49,9 @@ static int __init alloc_node_page_cgroup(int nid)
49 start_pfn = NODE_DATA(nid)->node_start_pfn; 49 start_pfn = NODE_DATA(nid)->node_start_pfn;
50 nr_pages = NODE_DATA(nid)->node_spanned_pages; 50 nr_pages = NODE_DATA(nid)->node_spanned_pages;
51 51
52 if (!nr_pages)
53 return 0;
54
52 table_size = sizeof(struct page_cgroup) * nr_pages; 55 table_size = sizeof(struct page_cgroup) * nr_pages;
53 56
54 base = __alloc_bootmem_node_nopanic(NODE_DATA(nid), 57 base = __alloc_bootmem_node_nopanic(NODE_DATA(nid),
diff --git a/mm/slob.c b/mm/slob.c
index cb675d126791..bf7e8fc3aed8 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -535,7 +535,7 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size,
535 struct kmem_cache *c; 535 struct kmem_cache *c;
536 536
537 c = slob_alloc(sizeof(struct kmem_cache), 537 c = slob_alloc(sizeof(struct kmem_cache),
538 flags, ARCH_KMALLOC_MINALIGN, -1); 538 GFP_KERNEL, ARCH_KMALLOC_MINALIGN, -1);
539 539
540 if (c) { 540 if (c) {
541 c->name = name; 541 c->name = name;
diff --git a/mm/slub.c b/mm/slub.c
index 749588a50a5a..a2cd47d89e0a 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3597,7 +3597,7 @@ static int list_locations(struct kmem_cache *s, char *buf,
3597 for (i = 0; i < t.count; i++) { 3597 for (i = 0; i < t.count; i++) {
3598 struct location *l = &t.loc[i]; 3598 struct location *l = &t.loc[i];
3599 3599
3600 if (len > PAGE_SIZE - 100) 3600 if (len > PAGE_SIZE - KSYM_SYMBOL_LEN - 100)
3601 break; 3601 break;
3602 len += sprintf(buf + len, "%7ld ", l->count); 3602 len += sprintf(buf + len, "%7ld ", l->count);
3603 3603
diff --git a/mm/swap.c b/mm/swap.c
index 2881987603eb..b135ec90cdeb 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -299,7 +299,6 @@ void lru_add_drain(void)
299 put_cpu(); 299 put_cpu();
300} 300}
301 301
302#if defined(CONFIG_NUMA) || defined(CONFIG_UNEVICTABLE_LRU)
303static void lru_add_drain_per_cpu(struct work_struct *dummy) 302static void lru_add_drain_per_cpu(struct work_struct *dummy)
304{ 303{
305 lru_add_drain(); 304 lru_add_drain();
@@ -313,18 +312,6 @@ int lru_add_drain_all(void)
313 return schedule_on_each_cpu(lru_add_drain_per_cpu); 312 return schedule_on_each_cpu(lru_add_drain_per_cpu);
314} 313}
315 314
316#else
317
318/*
319 * Returns 0 for success
320 */
321int lru_add_drain_all(void)
322{
323 lru_add_drain();
324 return 0;
325}
326#endif
327
328/* 315/*
329 * Batched page_cache_release(). Decrement the reference count on all the 316 * Batched page_cache_release(). Decrement the reference count on all the
330 * passed pages. If it fell to zero then remove the page from the LRU and 317 * passed pages. If it fell to zero then remove the page from the LRU and
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index f3f6e0758562..1ddb77ba3995 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1717,7 +1717,7 @@ static int s_show(struct seq_file *m, void *p)
1717 v->addr, v->addr + v->size, v->size); 1717 v->addr, v->addr + v->size, v->size);
1718 1718
1719 if (v->caller) { 1719 if (v->caller) {
1720 char buff[2 * KSYM_NAME_LEN]; 1720 char buff[KSYM_SYMBOL_LEN];
1721 1721
1722 seq_putc(m, ' '); 1722 seq_putc(m, ' ');
1723 sprint_symbol(buff, (unsigned long)v->caller); 1723 sprint_symbol(buff, (unsigned long)v->caller);