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3afa39493d
linux/arch/x86
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Yinghai Lu 3afa39493d x86: keep the /proc/meminfo page count correct 
Impact: get correct page count in /proc/meminfo

found page count in /proc/meminfo is nor correct on 1G system in VirtualBox 2.0.4

# cat /proc/meminfo
MemTotal:        1017508 kB
MemFree:          822700 kB
Buffers:            1456 kB
Cached:            26632 kB
SwapCached:            0 kB
...
Hugepagesize:       2048 kB
DirectMap4k:      4032 kB
DirectMap2M:  18446744073709549568 kB

with this patch get:
...
DirectMap4k:      4032 kB
DirectMap2M:   1044480 kB

which is consistent to kernel_page_tables
---[ Low Kernel Mapping ]---
0xffff880000000000-0xffff880000001000           4K     RW     PCD     GLB x  pte
0xffff880000001000-0xffff88000009f000         632K     RW             GLB x  pte
0xffff88000009f000-0xffff8800000a0000           4K     RW     PCD     GLB x  pte
0xffff8800000a0000-0xffff880000200000        1408K     RW             GLB x  pte
0xffff880000200000-0xffff88003fe00000        1020M     RW         PSE GLB x  pmd
0xffff88003fe00000-0xffff88003fff0000        1984K     RW             GLB NX pte
0xffff88003fff0000-0xffff880040000000          64K                           pte
0xffff880040000000-0xffff888000000000         511G                           pud
0xffff888000000000-0xffffc20000000000       58880G                           pgd

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-27 18:55:26 +01:00
..
boot Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2008-10-23 12:38:39 -07:00
configs x86: remove irqbalance in kernel for 32 bit 2008-10-16 16:52:52 +02:00
crypto crypto: crc32c - Use Intel CRC32 instruction 2008-08-29 15:49:50 +10:00
ia32 compat: generic compat get/settimeofday 2008-10-16 11:21:33 -07:00
include/asm Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2008-10-23 12:38:39 -07:00
kernel x86/uv: memory allocation at initialization 2008-10-27 14:17:16 +01:00
kvm Merge commit 'linus/master' into merge-linus 2008-10-17 09:20:26 -07:00
lguest x86: make 32bit support per_cpu vector 2008-10-16 16:52:53 +02:00
lib Merge branch 'x86/unify-cpu-detect' into x86-v28-for-linus-phase4-D 2008-10-11 20:23:20 +02:00
mach-default Merge branches 'x86/prototypes', 'x86/x2apic' and 'x86/debug' into x86/core 2008-08-14 14:58:22 +02:00
mach-generic x86: make 32bit support per_cpu vector 2008-10-16 16:52:53 +02:00
mach-rdc321x removed unused #include <linux/version.h>'s 2008-08-23 12:14:12 -07:00
mach-voyager generic: sparse irqs: use irq_desc() together with dyn_array, instead of irq_desc[] 2008-10-16 16:52:29 +02:00
math-emu
mm x86: keep the /proc/meminfo page count correct 2008-10-27 18:55:26 +01:00
oprofile oprofile: fixing whitespaces in arch/x86/oprofile/* 2008-10-16 17:17:46 +02:00
pci x86/PCI: irq and pci_ids patch for Intel Ibex Peak DeviceIDs 2008-10-20 10:53:48 -07:00
power Merge branch 'x86/unify-cpu-detect' into x86-v28-for-linus-phase4-D 2008-10-11 20:23:20 +02:00
vdso Merge branches 'x86/urgent', 'x86/amd-iommu', 'x86/apic', 'x86/cleanups', 'x86/core', 'x86/cpu', 'x86/fixmap', 'x86/gart', 'x86/kprobes', 'x86/memtest', 'x86/modules', 'x86/nmi', 'x86/pat', 'x86/reboot', 'x86/setup', 'x86/step', 'x86/unify-pci', 'x86/uv', 'x86/xen' and 'xen-64bit' into x86/for-linus 2008-07-21 16:37:17 +02:00
video
xen xen: fix Xen domU boot with batched mprotect 2008-10-27 14:11:20 +01:00
Kconfig Merge branch 'linus' into test 2008-10-23 00:11:07 -04:00
Kconfig.cpu x86: adjust dependencies for CONFIG_X86_CMOV 2008-10-13 10:33:50 +02:00
Kconfig.debug x86: usb debug port early console, fix 2008-07-26 17:32:30 +02:00
Makefile x86, um: ... and asm-x86 move 2008-10-22 22:55:20 -07:00
Makefile_32.cpu x86: merge winchip-2 and winchip-2a cpu choices 2008-10-13 10:22:48 +02:00