diff options
author | David S. Miller <davem@davemloft.net> | 2008-12-15 23:03:50 -0500 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-12-15 23:03:50 -0500 |
commit | eb14f019597cd86c21a6c601d7e900f40030c2e7 (patch) | |
tree | 36fb2f36a1747f98988f87215db1eef3a71d45eb /mm | |
parent | 9a4a84294b0d60b8c287131478f743ba2bc68949 (diff) | |
parent | a3dd15444baa9c7522c8457ab564c41219dfb44c (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.c | 2 | ||||
-rw-r--r-- | mm/migrate.c | 59 | ||||
-rw-r--r-- | mm/page_cgroup.c | 3 | ||||
-rw-r--r-- | mm/slob.c | 2 | ||||
-rw-r--r-- | mm/slub.c | 2 | ||||
-rw-r--r-- | mm/swap.c | 13 | ||||
-rw-r--r-- | mm/vmalloc.c | 2 |
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 | */ |
990 | static int do_pages_stat(struct mm_struct *mm, unsigned long nr_pages, | 990 | static 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); |
1026 | set_status: | 1019 | set_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 | */ | ||
1033 | static 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 | ||
1031 | out: | 1065 | out: |
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), |
@@ -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; |
@@ -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 | ||
@@ -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) | ||
303 | static void lru_add_drain_per_cpu(struct work_struct *dummy) | 302 | static 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 | */ | ||
321 | int 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); |