Re: [Bug #13666] WARNING: at mm/page_alloc.c:1743 __alloc_pages_nodemask

Christian Kujau
2009-08-01T21:30:50Z

On Sat, 1 Aug 2009 at 12:56, David Rientjes wrote:
> This is a different issue than bug 13666, this is in the ext4 mount code
> (which can also probably happen with other filesystems as well).

OK, thanks for clarifying this.

> What are your mount options? It appears that they are causing the parser
> to allocate far more memory than it should ever need.

This was the first time I mounted this ext4 fileystem since the reboot
with the new kernel:

/dev/mapper/wdc0 /mnt/disk0 ext4 rw,nosuid,nodev,noexec,relatime,barrier=1,data=ordered 0 0

Christian.

/proc/meminfo now looks like this, I don't have the output what it loooked
like right after the WARNING though:

bkp:~$ cat /proc/meminfo
MemTotal: 1024968 kB
MemFree: 14164 kB
Buffers: 24800 kB
Cached: 864356 kB
SwapCached: 852 kB
Active: 472728 kB
Inactive: 506644 kB
Active(anon): 42780 kB
Inactive(anon): 48164 kB
Active(file): 429948 kB
Inactive(file): 458480 kB
Unevictable: 0 kB
Mlocked: 0 kB
HighTotal: 129864 kB
HighFree: 252 kB
LowTotal: 895104 kB
LowFree: 13912 kB
SwapTotal: 1048568 kB
SwapFree: 1046780 kB
Dirty: 89408 kB
Writeback: 100 kB
AnonPages: 89592 kB
Mapped: 7664 kB
Slab: 20476 kB
SReclaimable: 12368 kB
SUnreclaim: 8108 kB
PageTables: 1496 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 1561052 kB
Committed_AS: 1043668 kB
VmallocTotal: 122880 kB
VmallocUsed: 3436 kB
VmallocChunk: 108664 kB
DirectMap4k: 12280 kB
DirectMap4M: 897024 kB

--
BOFH excuse #159:

Stubborn processes