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jlanza
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Joined: 27 Aug 2003
Posts: 109

PostPosted: Mon May 03, 2004 9:51 pm    Post subject: Memory Issues Reply with quote

I have 1GB, 1024mb of ram on my machine. Howerver gentoo only shows i have 896mb. What is going on here? I did a mem check and everything is fine and windows says i have 1024 and so does bios...

any help is greatly appreciated. :D
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aman
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Joined: 07 Sep 2003
Posts: 198
Location: Bay Area, California

PostPosted: Mon May 03, 2004 10:46 pm    Post subject: Reply with quote

You have to enable 4GB (large memory support or something) in the kernel. Otherwise, 896MB is the limit for low memory support. I did the same thing when I first installed gentoo years ago. Im surprised you didn't just find my post.
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jlanza
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PostPosted: Wed May 05, 2004 1:02 am    Post subject: Reply with quote

I compiled in that support

Code:


bash-2.05b$ cat /proc/meminfo
MemTotal:      1033880 kB
MemFree:        769936 kB
Buffers:         16300 kB
Cached:         161780 kB
SwapCached:          0 kB
Active:         169572 kB
Inactive:        68380 kB
HighTotal:      130816 kB
HighFree:          252 kB
LowTotal:       903064 kB
LowFree:        769684 kB
SwapTotal:     1004052 kB
SwapFree:      1004052 kB
Dirty:              64 kB
Writeback:           0 kB
Mapped:         129776 kB
Slab:            15704 kB
Committed_AS:   125712 kB
PageTables:       1248 kB
VmallocTotal:   114680 kB
VmallocUsed:     21112 kB
VmallocChunk:    92652 kB


says I only have 1009.65 mb of ram not 1024, any reason why that is happening?

Should i have compiled in support for

Allocate 3rd-level pagetables from highmem

??

thanks joe
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solomonHk
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Joined: 28 Mar 2004
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PostPosted: Wed May 05, 2004 1:50 am    Post subject: Reply with quote

1009.65?

{code]MemTotal: 1033880 kB[/code]

10333880kb = 1033.88 Mb IF anything it is reporting too much! -=0)
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aman
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Posts: 198
Location: Bay Area, California

PostPosted: Wed May 05, 2004 2:15 am    Post subject: Reply with quote

Well, the 1009... MB is just a matter of convention when reading and displaying the ram. the 869 you said before is due to 4gb mem support not being compiled in, otherwise, you are solid.
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Rainmaker
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PostPosted: Wed May 05, 2004 3:47 am    Post subject: Reply with quote

solomonHk wrote:
1009.65?

{code]MemTotal: 1033880 kB[/code]

10333880kb = 1033.88 Mb IF anything it is reporting too much! -=0)


1 MB = 1024 KB, not 1000

It is indeed showing 1009... It's beacuse of the way linux "counts" memory. You're OK
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gcombe74
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Joined: 27 Jan 2004
Posts: 47
Location: Ogden Utah

PostPosted: Wed May 19, 2004 4:48 pm    Post subject: meminfo Reply with quote

ok,

I just want to be straight, I have 5 servers that have gentoo installed and all have more then 1Gb of ram. But gentoo only show 1Gb of ram on each one.

I think that my kernel has the support built in. But I am away from work. Is there anything else that can prevent the memory from being shown right??
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