suse man page for skb_share_check

Query: skb_share_check

OS: suse

Section: 9

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

SKB_SHARE_CHECK(9)						 Linux Networking						SKB_SHARE_CHECK(9)

NAME
skb_share_check - check if buffer is shared and if so clone it
SYNOPSIS
struct sk_buff * skb_share_check(struct sk_buff * skb, gfp_t pri);
ARGUMENTS
skb buffer to check pri priority for memory allocation
DESCRIPTION
If the buffer is shared the buffer is cloned and the old copy drops a reference. A new clone with a single reference is returned. If the buffer is not shared the original buffer is returned. When being called from interrupt status or with spinlocks held pri must be GFP_ATOMIC. NULL is returned on a memory allocation failure.
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 SKB_SHARE_CHECK(9)
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