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OpenCloudOS-Kernel
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net: allow GFP_HIGHMEM in __vmalloc() 

We forgot to use __GFP_HIGHMEM in several __vmalloc() calls.

In ceph, add the missing flag.

In fib_trie.c, xfrm_hash.c and request_sock.c, using vzalloc() is
cleaner and allows using HIGHMEM pages as well.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2010-11-20 07:46:35 +00:00 committed by David S. Miller
parent a6c36ee677
commit 7a1c8e5ab1
4 changed files with 4 additions and 6 deletions
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2
net/ceph/buffer.c
View File

@ -19,7 +19,7 @@ struct ceph_buffer *ceph_buffer_new(size_t len, gfp_t gfp)
if (b->vec.iov_base) {
b->is_vmalloc = false;
} else {
b->vec.iov_base = __vmalloc(len, gfp, PAGE_KERNEL);
b->vec.iov_base = __vmalloc(len, gfp | __GFP_HIGHMEM, PAGE_KERNEL);
if (!b->vec.iov_base) {
kfree(b);
return NULL;

4
net/core/request_sock.c
View File

@ -45,9 +45,7 @@ int reqsk_queue_alloc(struct request_sock_queue *queue,
nr_table_entries = roundup_pow_of_two(nr_table_entries + 1);
lopt_size += nr_table_entries * sizeof(struct request_sock *);
if (lopt_size > PAGE_SIZE)
lopt = __vmalloc(lopt_size,
GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO,
PAGE_KERNEL);
lopt = vzalloc(lopt_size);
else
lopt = kzalloc(lopt_size, GFP_KERNEL);
if (lopt == NULL)

2
net/ipv4/fib_trie.c
View File

@ -365,7 +365,7 @@ static struct tnode *tnode_alloc(size_t size)
if (size <= PAGE_SIZE)
return kzalloc(size, GFP_KERNEL);
else
return __vmalloc(size, GFP_KERNEL | __GFP_ZERO, PAGE_KERNEL);
return vzalloc(size);
}
static void __tnode_vfree(struct work_struct *arg)

2
net/xfrm/xfrm_hash.c
View File

@ -19,7 +19,7 @@ struct hlist_head *xfrm_hash_alloc(unsigned int sz)
if (sz <= PAGE_SIZE)
n = kzalloc(sz, GFP_KERNEL);
else if (hashdist)
n = __vmalloc(sz, GFP_KERNEL | __GFP_ZERO, PAGE_KERNEL);
n = vzalloc(sz);
else
n = (struct hlist_head *)
__get_free_pages(GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO,