From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- net/xfrm/xfrm_hash.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 net/xfrm/xfrm_hash.c (limited to 'net/xfrm/xfrm_hash.c') diff --git a/net/xfrm/xfrm_hash.c b/net/xfrm/xfrm_hash.c new file mode 100644 index 00000000..1e98bc0f --- /dev/null +++ b/net/xfrm/xfrm_hash.c @@ -0,0 +1,39 @@ +/* xfrm_hash.c: Common hash table code. + * + * Copyright (C) 2006 David S. Miller (davem@davemloft.net) + */ + +#include +#include +#include +#include +#include +#include + +#include "xfrm_hash.h" + +struct hlist_head *xfrm_hash_alloc(unsigned int sz) +{ + struct hlist_head *n; + + if (sz <= PAGE_SIZE) + n = kzalloc(sz, GFP_KERNEL); + else if (hashdist) + n = vzalloc(sz); + else + n = (struct hlist_head *) + __get_free_pages(GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO, + get_order(sz)); + + return n; +} + +void xfrm_hash_free(struct hlist_head *n, unsigned int sz) +{ + if (sz <= PAGE_SIZE) + kfree(n); + else if (hashdist) + vfree(n); + else + free_pages((unsigned long)n, get_order(sz)); +} -- cgit v1.3.1