DEV_ALLOC_SKB - Online Linux Manual PageSection : 9
Updated : June 2018
Source : Kernel Hackers Manual 2​.6​.
Note : Linux Networking

NAMEdev_alloc_skb − allocate an skbuff for receiving

SYNOPSISstruct sk_buff * dev_alloc_skb(unsigned int length);

ARGUMENTSlength length to allocate

DESCRIPTIONAllocate a new sk_buff and assign it a usage count of one​. The buffer has unspecified headroom built in​. Users should allocate the headroom they think they need without accounting for the built in space​. The built in space is used for optimisations​. NULL is returned if there is no free memory​. Although this function allocates memory it can be called from an interrupt​.

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