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SKB_PAGE_FRAG_REFILL(9) Linux Networking SKB_PAGE_FRAG_REFILL(9)

NAME

skb_page_frag_refill - check that a page_frag contains enough room

SYNOPSIS

bool skb_page_frag_refill(unsigned int sz, struct page_frag * pfrag, gfp_t gfp);

ARGUMENTS

unsigned int sz

minimum size of the fragment we want to get

struct page_frag * pfrag

pointer to page_frag

gfp_t gfp

priority for memory allocation

NOTE

While this allocator tries to use high order pages, there is no guarantee that allocations succeed. Therefore, sz MUST be less or equal than PAGE_SIZE.

COPYRIGHT

September 2017 Kernel Hackers Manual 4.12