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hugetlb: indicate surplus huge page counts in per-node meminfo 

Currently we show the surplus hugetlb pool state in /proc/meminfo, but
not in the per-node meminfo files, even though we track the information
on a per-node basis. Printing it there can help track down dynamic pool
bugs including the one in the follow-on patch.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Nishanth Aravamudan 2008-03-26 14:37:53 -07:00 committed by Linus Torvalds
parent 6edef97e17
commit a1de09195b
1 changed files with 4 additions and 2 deletions
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6
mm/hugetlb.c
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@ -671,9 +671,11 @@ int hugetlb_report_node_meminfo(int nid, char *buf)
{
return sprintf(buf,
"Node %d HugePages_Total: %5u\n"
"Node %d HugePages_Free: %5u\n",
"Node %d HugePages_Free: %5u\n"
"Node %d HugePages_Surp: %5u\n",
nid, nr_huge_pages_node[nid],
nid, free_huge_pages_node[nid]);
nid, free_huge_pages_node[nid],
nid, surplus_huge_pages_node[nid]);
}
/* Return the number pages of memory we physically have, in PAGE_SIZE units. */