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authorJohannes Berg <johannes.berg@intel.com>2017-06-08 14:14:40 +0200
committerJohannes Berg <johannes.berg@intel.com>2017-06-08 14:14:45 +0200
commita43e61842ec55baa486d60eed2a19af67ba78b9f (patch)
tree6c3c93f19e3933273b73b9edd16edc146ab18527 /mm/memblock.c
parent5d473fedd17ae3a9f92fb35551e307d01459ea6a (diff)
parent50dffe7fad6c156c2928e45c19ff7b86eb951f4c (diff)
Merge remote-tracking branch 'net-next/master' into mac80211-next
This brings in commit 7a7c0a6438b8 ("mac80211: fix TX aggregation start/stop callback race") to allow the follow-up cleanup. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'mm/memblock.c')
-rw-r--r--mm/memblock.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/mm/memblock.c b/mm/memblock.c
index b049c9b2dba8..7b8a5db76a2f 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1739,6 +1739,29 @@ static void __init_memblock memblock_dump(struct memblock_type *type)
}
}
+extern unsigned long __init_memblock
+memblock_reserved_memory_within(phys_addr_t start_addr, phys_addr_t end_addr)
+{
+ struct memblock_region *rgn;
+ unsigned long size = 0;
+ int idx;
+
+ for_each_memblock_type((&memblock.reserved), rgn) {
+ phys_addr_t start, end;
+
+ if (rgn->base + rgn->size < start_addr)
+ continue;
+ if (rgn->base > end_addr)
+ continue;
+
+ start = rgn->base;
+ end = start + rgn->size;
+ size += end - start;
+ }
+
+ return size;
+}
+
void __init_memblock __memblock_dump_all(void)
{
pr_info("MEMBLOCK configuration:\n");