/* * linux/mm/mmzone.c * * management codes for pgdats, zones and page flags */ #include #include #include struct pglist_data *first_online_pgdat(void) { return NODE_DATA(first_online_node); } struct pglist_data *next_online_pgdat(struct pglist_data *pgdat) { int nid = next_online_node(pgdat->node_id); if (nid == MAX_NUMNODES) return NULL; return NODE_DATA(nid); } /* * next_zone - helper magic for for_each_zone() */ struct zone *next_zone(struct zone *zone) { pg_data_t *pgdat = zone->zone_pgdat; if (zone < pgdat->node_zones + MAX_NR_ZONES - 1) zone++; else { pgdat = next_online_pgdat(pgdat); if (pgdat) zone = pgdat->node_zones; else zone = NULL; } return zone; } static inline int zref_in_nodemask(struct zoneref *zref, nodemask_t *nodes) { #ifdef CONFIG_NUMA return node_isset(zonelist_node_idx(zref), *nodes); #else return 1; #endif /* CONFIG_NUMA */ } /* Returns the next zone at or below highest_zoneidx in a zonelist */ struct zoneref *__next_zones_zonelist(struct zoneref *z, enum zone_type highest_zoneidx, nodemask_t *nodes) { /* * Find the next suitable zone to use for the allocation. * Only filter based on nodemask if it's set */ if (likely(nodes == NULL)) while (zonelist_zone_idx(z) > highest_zoneidx) z++; else while (zonelist_zone_idx(z) > highest_zoneidx || (z->zone && !zref_in_nodemask(z, nodes))) z++; return z; } #ifdef CONFIG_ARCH_HAS_HOLES_MEMORYMODEL bool memmap_valid_within(unsigned long pfn, struct page *page, struct zone *zone) { if (page_to_pfn(page) != pfn) return false; if (page_zone(page) != zone) return false; return true; } #endif /* CONFIG_ARCH_HAS_HOLES_MEMORYMODEL */ void lruvec_init(struct lruvec *lruvec) { enum lru_list lru; memset(lruvec, 0, sizeof(struct lruvec)); for_each_lru(lru) INIT_LIST_HEAD(&lruvec->lists[lru]); } #if defined(CONFIG_NUMA_BALANCING) && !defined(LAST_CPUPID_NOT_IN_PAGE_FLAGS) int page_cpupid_xchg_last(struct page *page, int cpupid) { unsigned long old_flags, flags; int last_cpupid; do { old_flags = flags = page->flags; last_cpupid = page_cpupid_last(page); flags &= ~(LAST_CPUPID_MASK << LAST_CPUPID_PGSHIFT); flags |= (cpupid & LAST_CPUPID_MASK) << LAST_CPUPID_PGSHIFT; } while (unlikely(cmpxchg(&page->flags, old_flags, flags) != old_flags)); return last_cpupid; } #endif ude/dt-bindings/dma'>
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authorSimon Horman <simon.horman@netronome.com>2017-01-30 16:19:02 +0100
committerDavid S. Miller <davem@davemloft.net>2017-01-30 16:42:09 -0500
commit040587af31228d82c52267f717c9fcdb65f36335 (patch)
treeb681c1594f967396fcf3ce80f17444183bb37900 /include/dt-bindings/dma
parent0d29ed28da63dd893395c343c7e78b078de93ceb (diff)
net/sched: cls_flower: Correct matching on ICMPv6 code
When matching on the ICMPv6 code ICMPV6_CODE rather than ICMPV4_CODE attributes should be used. This corrects what appears to be a typo. Sample usage: tc qdisc add dev eth0 ingress tc filter add dev eth0 protocol ipv6 parent ffff: flower \ indev eth0 ip_proto icmpv6 type 128 code 0 action drop Without this change the code parameter above is effectively ignored. Fixes: 7b684884fbfa ("net/sched: cls_flower: Support matching on ICMP type and code") Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/dt-bindings/dma')