diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/netdevice.h | 2 | ||||
| -rw-r--r-- | include/linux/page-flags.h | 8 | ||||
| -rw-r--r-- | include/net/sock.h | 2 |
3 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 02e0f6b156c3..c599e4782d45 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1576,7 +1576,7 @@ extern int call_netdevice_notifiers(unsigned long val, struct net_device *dev); extern rwlock_t dev_base_lock; /* Device list lock */ -extern seqlock_t devnet_rename_seq; /* Device rename lock */ +extern seqcount_t devnet_rename_seq; /* Device rename seq */ #define for_each_netdev(net, d) \ diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index b5d13841604e..70473da47b3f 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -362,7 +362,7 @@ static inline void ClearPageCompound(struct page *page) * pages on the LRU and/or pagecache. */ TESTPAGEFLAG(Compound, compound) -__PAGEFLAG(Head, compound) +__SETPAGEFLAG(Head, compound) __CLEARPAGEFLAG(Head, compound) /* * PG_reclaim is used in combination with PG_compound to mark the @@ -374,8 +374,14 @@ __PAGEFLAG(Head, compound) * PG_compound & PG_reclaim => Tail page * PG_compound & ~PG_reclaim => Head page */ +#define PG_head_mask ((1L << PG_compound)) #define PG_head_tail_mask ((1L << PG_compound) | (1L << PG_reclaim)) +static inline int PageHead(struct page *page) +{ + return ((page->flags & PG_head_tail_mask) == PG_head_mask); +} + static inline int PageTail(struct page *page) { return ((page->flags & PG_head_tail_mask) == PG_head_tail_mask); diff --git a/include/net/sock.h b/include/net/sock.h index 93a6745bfdb2..182ca99405ad 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -367,7 +367,7 @@ struct sock { unsigned short sk_ack_backlog; unsigned short sk_max_ack_backlog; __u32 sk_priority; -#ifdef CONFIG_CGROUPS +#if IS_ENABLED(CONFIG_NETPRIO_CGROUP) __u32 sk_cgrp_prioidx; #endif struct pid *sk_peer_pid; |