summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--net/core/skbuff.c52
1 files changed, 26 insertions, 26 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 9b3b19816d2d..7c41025ae76a 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -506,14 +506,14 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
*/
size = SKB_DATA_ALIGN(size);
size += SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
- data = kmalloc_reserve(size, gfp_mask, node, &pfmemalloc);
+ osize = kmalloc_size_roundup(size);
+ data = kmalloc_reserve(osize, gfp_mask, node, &pfmemalloc);
if (unlikely(!data))
goto nodata;
- /* kmalloc(size) might give us more room than requested.
+ /* kmalloc_size_roundup() might give us more room than requested.
* Put skb_shared_info exactly at the end of allocated zone,
* to allow max possible filling before reallocation.
*/
- osize = ksize(data);
size = SKB_WITH_OVERHEAD(osize);
prefetchw(data + size);
@@ -1821,10 +1821,11 @@ EXPORT_SYMBOL(__pskb_copy_fclone);
int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
gfp_t gfp_mask)
{
- int i, osize = skb_end_offset(skb);
- int size = osize + nhead + ntail;
+ unsigned int osize = skb_end_offset(skb);
+ unsigned int size = osize + nhead + ntail;
long off;
u8 *data;
+ int i;
BUG_ON(nhead < 0);
@@ -1832,15 +1833,16 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
skb_zcopy_downgrade_managed(skb);
- size = SKB_DATA_ALIGN(size);
-
if (skb_pfmemalloc(skb))
gfp_mask |= __GFP_MEMALLOC;
- data = kmalloc_reserve(size + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)),
- gfp_mask, NUMA_NO_NODE, NULL);
+
+ size = SKB_DATA_ALIGN(size);
+ size += SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+ size = kmalloc_size_roundup(size);
+ data = kmalloc_reserve(size, gfp_mask, NUMA_NO_NODE, NULL);
if (!data)
goto nodata;
- size = SKB_WITH_OVERHEAD(ksize(data));
+ size = SKB_WITH_OVERHEAD(size);
/* Copy only real data... and, alas, header. This should be
* optimized for the cases when header is void.
@@ -6174,21 +6176,20 @@ static int pskb_carve_inside_header(struct sk_buff *skb, const u32 off,
const int headlen, gfp_t gfp_mask)
{
int i;
- int size = skb_end_offset(skb);
+ unsigned int size = skb_end_offset(skb);
int new_hlen = headlen - off;
u8 *data;
- size = SKB_DATA_ALIGN(size);
-
if (skb_pfmemalloc(skb))
gfp_mask |= __GFP_MEMALLOC;
- data = kmalloc_reserve(size +
- SKB_DATA_ALIGN(sizeof(struct skb_shared_info)),
- gfp_mask, NUMA_NO_NODE, NULL);
+
+ size = SKB_DATA_ALIGN(size);
+ size += SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+ size = kmalloc_size_roundup(size);
+ data = kmalloc_reserve(size, gfp_mask, NUMA_NO_NODE, NULL);
if (!data)
return -ENOMEM;
-
- size = SKB_WITH_OVERHEAD(ksize(data));
+ size = SKB_WITH_OVERHEAD(size);
/* Copy real data, and all frags */
skb_copy_from_linear_data_offset(skb, off, data, new_hlen);
@@ -6293,22 +6294,21 @@ static int pskb_carve_inside_nonlinear(struct sk_buff *skb, const u32 off,
int pos, gfp_t gfp_mask)
{
int i, k = 0;
- int size = skb_end_offset(skb);
+ unsigned int size = skb_end_offset(skb);
u8 *data;
const int nfrags = skb_shinfo(skb)->nr_frags;
struct skb_shared_info *shinfo;
- size = SKB_DATA_ALIGN(size);
-
if (skb_pfmemalloc(skb))
gfp_mask |= __GFP_MEMALLOC;
- data = kmalloc_reserve(size +
- SKB_DATA_ALIGN(sizeof(struct skb_shared_info)),
- gfp_mask, NUMA_NO_NODE, NULL);
+
+ size = SKB_DATA_ALIGN(size);
+ size += SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+ size = kmalloc_size_roundup(size);
+ data = kmalloc_reserve(size, gfp_mask, NUMA_NO_NODE, NULL);
if (!data)
return -ENOMEM;
-
- size = SKB_WITH_OVERHEAD(ksize(data));
+ size = SKB_WITH_OVERHEAD(size);
memcpy((struct skb_shared_info *)(data + size),
skb_shinfo(skb), offsetof(struct skb_shared_info, frags[0]));