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Subject2.6.25-rc3: 34TB vmalloc total -- overflow in /proc/meminfo?
Hi!

leet:~ # uname -a
Linux leet 2.6.25-rc3 #189 SMP Mon Mar 3 13:16:59 CET 2008 x86_64
x86_64 x86_64
GNU/Linux
leet:~ #

32-bit distro on 64-bit kernel.

leet:~ # cat /proc/meminfo
MemTotal: 4055780 kB
MemFree: 3972400 kB
Buffers: 4892 kB
Cached: 29844 kB
SwapCached: 0 kB
Active: 23140 kB
Inactive: 20800 kB
SwapTotal: 2104472 kB
SwapFree: 2104472 kB
Dirty: 1300 kB
Writeback: 0 kB
AnonPages: 9152 kB
Mapped: 8684 kB
Slab: 18336 kB
SReclaimable: 7448 kB
SUnreclaim: 10888 kB
PageTables: 676 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
CommitLimit: 4132360 kB
Committed_AS: 27684 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 18112 kB
VmallocChunk: 34359720115 kB
leet:~ # /etc/init.d/gpm start

Linux version 2.6.25-rc3 (pavel@amd) (gcc version 4.1.3 20071209
(prerelease) (Debian 4.1.2-18)) #189 SMP Mon Mar 3 13:16:59 CET 2008
Command line: root=/dev/sda2 vga=6 resume=/dev/sda1 splash=silent
nosmp no_console_suspend 3
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 000000000009d800 (usable)
BIOS-e820: 000000000009d800 - 00000000000a0000 (reserved)
BIOS-e820: 00000000000d2000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 00000000bfed0000 (usable)
BIOS-e820: 00000000bfed0000 - 00000000bfee2000 (ACPI data)
BIOS-e820: 00000000bfee2000 - 00000000bfeee000 (ACPI NVS)
BIOS-e820: 00000000bfeee000 - 00000000c0000000 (reserved)
BIOS-e820: 00000000fec00000 - 00000000fec03000 (reserved)
BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved)
BIOS-e820: 0000000100000000 - 0000000140000000 (usable)
Entering add_active_range(0, 0, 157) 0 entries of 3200 used
Entering add_active_range(0, 256, 786128) 1 entries of 3200 used
Entering add_active_range(0, 1048576, 1310720) 2 entries of 3200 used
end_pfn_map = 1310720
DMI present.
ACPI: RSDP 000F8010, 0024 (r2 PTLTD )
ACPI: XSDT BFEDBF8C, 0064 (r1 BRCM Anaheim 6040000 PTL 2000001)
ACPI: FACP BFEDC064, 00F4 (r3 BRCM EXPLOSN 6040000 MSFT 2000001)
ACPI Warning (tbfadt-0442): Optional field "Pm2ControlBlock" has zero
address or length: 0000000000000000/C [20070126]
ACPI: DSDT BFEDC158, 4777 (r2 AMD Anaheim 6040000 MSFT 2000002)
ACPI: FACS BFEEDFC0, 0040
ACPI: TCPA BFEE08CF, 0032 (r1 BRCM Anaheim 6040000 PTL 20000001)
ACPI: SRAT BFEE0901, 0128 (r1 AMD HAMMER 6040000 AMD 1)
ACPI: SSDT BFEE0A29, 143C (r1 AMD POWERNOW 6040000 AMD 1)
ACPI: HPET BFEE1E65, 0038 (r1 BRCM Anaheim 6040000 BRCM 2000001)
ACPI: SSDT BFEE1E9D, 0049 (r1 BRCM PRT0 6040000 BRCM 2000001)
ACPI: SPCR BFEE1EE6, 0050 (r1 PTLTD $UCRTBL$ 6040000 PTL 1)
ACPI: APIC BFEE1F36, 00CA (r1 BRCM Anaheim 6040000 PTL 2000001)
SRAT: PXM 0 -> APIC 0 -> Node 0
SRAT: PXM 0 -> APIC 1 -> Node 0
SRAT: PXM 0 -> APIC 2 -> Node 0
SRAT: PXM 0 -> APIC 3 -> Node 0
SRAT: PXM 1 -> APIC 4 -> Node 1
SRAT: PXM 1 -> APIC 5 -> Node 1
SRAT: PXM 1 -> APIC 6 -> Node 1
SRAT: PXM 1 -> APIC 7 -> Node 1
SRAT: Node 0 PXM 0 0-a0000
Entering add_active_range(0, 0, 157) 0 entries of 3200 used
SRAT: Node 0 PXM 0 0-c0000000
Entering add_active_range(0, 0, 157) 1 entries of 3200 used
Entering add_active_range(0, 256, 786128) 1 entries of 3200 used
SRAT: Node 0 PXM 0 0-140000000
Entering add_active_range(0, 0, 157) 2 entries of 3200 used
Entering add_active_range(0, 256, 786128) 2 entries of 3200 used
Entering add_active_range(0, 1048576, 1310720) 2 entries of 3200 used
NUMA: Using 63 for the hash shift.
Bootmem setup node 0 0000000000000000-0000000140000000
NODE_DATA [000000000000e000 - 0000000000014fff]
bootmap [0000000000015000


(If I try to suspend to disk, I get a rather nasty oops; goes away
with mem=3G. Related?)

Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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