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sock: remove one redundant SKB_FRAG_PAGE_ORDER macro

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Both SKB_FRAG_PAGE_ORDER are defined to the same value in
net/core/sock.c and drivers/vhost/net.c.

Move the SKB_FRAG_PAGE_ORDER definition to net/core/sock.h,
as both net/core/sock.c and drivers/vhost/net.c include it,
and it seems a reasonable file to put the macro.

Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yunsheng Lin 2021-08-26 10:49:47 +08:00 committed by David S. Miller
parent 5e8243e66b
commit 723783d077
3 changed files with 1 additions and 3 deletions
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2
drivers/vhost/net.c
View file

@ -643,8 +643,6 @@ static bool tx_can_batch(struct vhost_virtqueue *vq, size_t total_len)
!vhost_vq_avail_empty(vq->dev, vq);
}
#define SKB_FRAG_PAGE_ORDER get_order(32768)
static bool vhost_net_page_frag_refill(struct vhost_net *net, unsigned int sz,
struct page_frag *pfrag, gfp_t gfp)
{

1
include/net/sock.h
View file

@ -2717,6 +2717,7 @@ extern int sysctl_optmem_max;
extern __u32 sysctl_wmem_default;
extern __u32 sysctl_rmem_default;
#define SKB_FRAG_PAGE_ORDER get_order(32768)
DECLARE_STATIC_KEY_FALSE(net_high_order_alloc_disable_key);
static inline int sk_get_wmem0(const struct sock *sk, const struct proto *proto)

1
net/core/sock.c
View file

@ -2574,7 +2574,6 @@ static void sk_leave_memory_pressure(struct sock *sk)
}
}
#define SKB_FRAG_PAGE_ORDER get_order(32768)
DEFINE_STATIC_KEY_FALSE(net_high_order_alloc_disable_key);
/**