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net: remove SK_MEM_QUANTUM and SK_MEM_QUANTUM_SHIFT

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Due to memcg interface, SK_MEM_QUANTUM is effectively PAGE_SIZE.

This might change in the future, but it seems better to avoid the
confusion.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet
2022-06-08 23:34:07 -07:00
committed by Jakub Kicinski
parent e70f3c7012
commit 100fdd1faf
8 changed files with 26 additions and 28 deletions
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8
include/net/sock.h
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@@ -1532,8 +1532,6 @@ int __sk_mem_schedule(struct sock *sk, int size, int kind);
void __sk_mem_reduce_allocated(struct sock *sk, int amount);
void __sk_mem_reclaim(struct sock *sk, int amount);
#define SK_MEM_QUANTUM ((int)PAGE_SIZE)
#define SK_MEM_QUANTUM_SHIFT ilog2(SK_MEM_QUANTUM)
#define SK_MEM_SEND 0
#define SK_MEM_RECV 1
@@ -1545,7 +1543,7 @@ static inline long sk_prot_mem_limits(const struct sock *sk, int index)
static inline int sk_mem_pages(int amt)
{
return (amt + SK_MEM_QUANTUM - 1) >> SK_MEM_QUANTUM_SHIFT;
return (amt + PAGE_SIZE - 1) >> PAGE_SHIFT;
}
static inline bool sk_has_account(struct sock *sk)
@@ -1594,7 +1592,7 @@ static inline void sk_mem_reclaim(struct sock *sk)
reclaimable = sk->sk_forward_alloc - sk_unused_reserved_mem(sk);
if (reclaimable >= SK_MEM_QUANTUM)
if (reclaimable >= (int)PAGE_SIZE)
__sk_mem_reclaim(sk, reclaimable);
}
@@ -1613,7 +1611,7 @@ static inline void sk_mem_reclaim_partial(struct sock *sk)
reclaimable = sk->sk_forward_alloc - sk_unused_reserved_mem(sk);
if (reclaimable > SK_MEM_QUANTUM)
if (reclaimable > (int)PAGE_SIZE)
__sk_mem_reclaim(sk, reclaimable - 1);
}