Hi Valérie,
Valerie Clement wrote:
Hi Maeda,
Could you try the following patch ?
It should improve things, but I still think of a better correction.
Thanks a lot,
Valérie
The patched kernel lives much longer, but the hang-up still happens.
The following information is /proc/meminfo and /proc/vmstat during
the hang-up.
$ cat /proc/meminfo
MemTotal: 4076448 kB
MemFree: 2656656 kB
Buffers: 357888 kB
Cached: 609360 kB
SwapCached: 36976 kB
Active: 490032 kB
Inactive: 621152 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 4076448 kB
LowFree: 2656656 kB
SwapTotal: 4135360 kB
SwapFree: 4022208 kB
Dirty: 1248 kB
Writeback: 0 kB
Mapped: 159216 kB
Slab: 103616 kB
CommitLimit: 6173584 kB
Committed_AS: 323152 kB
PageTables: 7344 kB
VmallocTotal: 137430532096 kB
VmallocUsed: 17872 kB
VmallocChunk: 137430511536 kB
HugePages_Total: 0
HugePages_Free: 0
Hugepagesize: 262144 kB
$ cat /proc/vmstat
nr_dirty 78
nr_writeback 0
nr_unstable 0
nr_page_table_pages 459
nr_mapped 9951
nr_slab 6478
pgpgin 115846465
pgpgout 61693632
pswpin 6231301
pswpout 3736232
pgalloc_high 0
pgalloc_normal 16052695
pgalloc_dma 102
pgfree 16218928
pgactivate 2862066
pgdeactivate 11023729
pgfault 23813087
pgmajfault 1889416
pgrefill_high 0
pgrefill_normal 33950300
pgrefill_dma 0
pgsteal_high 0
pgsteal_normal 9182009
pgsteal_dma 0
pgscan_kswapd_high 0
pgscan_kswapd_normal 24345507
pgscan_kswapd_dma 0
pgscan_direct_high 0
pgscan_direct_normal 0
pgscan_direct_dma 0
pginodesteal 0
slabs_scanned 0
kswapd_steal 9182009
kswapd_inodesteal 0
pageoutrun 0
allocstall 0
pgrotated 3781639
nr_bounce 0
Thanks,
MAEDA Naoaki
diff -ruNp a/mm/vmscan.c b/mm/vmscan.c
--- a/mm/vmscan.c 2006-02-01 15:44:01.000000000 +0100
+++ b/mm/vmscan.c 2006-02-01 15:53:43.000000000 +0100
@@ -800,6 +800,9 @@ refill_inactive_zone(struct zone *zone,
if (swap_tendency >= 100)
reclaim_mapped = 1;
+ if (!ckrm_class_limit_ok(ckrm_zone->memcls))
+ reclaim_mapped = 1;
+
while (!list_empty(&l_hold)) {
cond_resched();
page = lru_to_page(&l_hold);
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