linux_dsm_epyc7002/net/core/kmap_skb.h

#include <linux/highmem.h>

static inline void *kmap_skb_frag(const skb_frag_t *frag)
{
#ifdef CONFIG_HIGHMEM
	BUG_ON(in_irq());

	local_bh_disable();
#endif
	return kmap_atomic(skb_frag_page(frag));
}

static inline void kunmap_skb_frag(void *vaddr)
{
	kunmap_atomic(vaddr);
#ifdef CONFIG_HIGHMEM
	local_bh_enable();
#endif
}
[PATCH] severing skbuff.h -> highmem.h Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> 2006-10-20 03:08:53 +07:00			`#include <linux/highmem.h>`

			`static inline void kmap_skb_frag(const skb_frag_t frag)`
			`{`
			`#ifdef CONFIG_HIGHMEM`
			`BUG_ON(in_irq());`

			`local_bh_disable();`
			`#endif`
net: remove the second argument of k[un]map_atomic() Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <amwang@redhat.com> 2011-11-25 22:14:39 +07:00			`return kmap_atomic(skb_frag_page(frag));`
[PATCH] severing skbuff.h -> highmem.h Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> 2006-10-20 03:08:53 +07:00			`}`

			`static inline void kunmap_skb_frag(void *vaddr)`
			`{`
net: remove the second argument of k[un]map_atomic() Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <amwang@redhat.com> 2011-11-25 22:14:39 +07:00			`kunmap_atomic(vaddr);`
[PATCH] severing skbuff.h -> highmem.h Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> 2006-10-20 03:08:53 +07:00			`#ifdef CONFIG_HIGHMEM`
			`local_bh_enable();`
			`#endif`
			`}`