__PSKB_COPY(9) Linux Networking __PSKB_COPY(9)
NAME
__pskb_copy - create copy of an sk_buff with private head.
SYNOPSIS
struct sk_buff * __pskb_copy(struct sk_buff * skb, int headroom, gfp_t gfp_mask);
ARGUMENTS
skb
buffer to copy
headroom
headroom of new skb
gfp_mask
allocation priority
DESCRIPTION
Make a copy of both an sk_buff and part of its data, located in header. Fragmented data remain shared. This is used when the caller wishes
to modify only header of sk_buff and needs private copy of the header to alter. Returns NULL on failure or the pointer to the buffer on
success. The returned buffer has a reference count of 1.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 __PSKB_COPY(9)
