ipv4: mark DST_NOGC and remove the operation of dst_free()

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With the previous preparation patches, we are ready to get rid of the
dst gc operation in ipv4 code and release dst based on refcnt only.
So this patch adds DST_NOGC flag for all IPv4 dst and remove the calls
to dst_free().
At this point, all dst created in ipv4 code do not use the dst gc
anymore and will be destroyed at the point when refcnt drops to 0.

Signed-off-by: Wei Wang <weiwan@google.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Wei Wang 2017-06-17 10:42:32 -07:00 • committed by David S. Miller

parent 9df16efadd

commit b838d5e1c5

2 changed files with 5 additions and 16 deletions

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6

net/ipv4/fib_semantics.c

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15

net/ipv4/route.c

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