Messages in this thread | | | Date | Mon, 28 Apr 2008 11:58:26 +0200 | From | Gabriel C <> | Subject | Re: [PATCH] x86_32: trim memory by updating e820 v3 |
| |
Mika Fischer wrote: > Yinghai Lu schrieb: >>>> you should get >>>>> reg00: base=0x00000000 ( 0MB), size=2048MB: write-back, count=1 >>>>> reg01: base=0x80000000 (2048MB), size=1024MB: write-back, count=1 >>>>> reg02: base=0xbf700000 (3063MB), size= 1MB: uncachable, count=1 >>>>> reg03: base=0xbf800000 (3064MB), size= 8MB: uncachable, count=1 >>>>> reg04: base=0x100000000 (4096MB), size=1024MB: write-back, count=1 >> please check >> http://lkml.org/lkml/2008/4/28/115 > > OK, this time it worked! > > With mtrr_chunk_size=1g: > reg00: base=0x00000000 ( 0MB), size=2048MB: write-back, count=1 > reg01: base=0x80000000 (2048MB), size=1024MB: write-back, count=1 > reg02: base=0xbf700000 (3063MB), size= 1MB: uncachable, count=1 > reg03: base=0xbf800000 (3064MB), size= 8MB: uncachable, count=1 > reg04: base=0x100000000 (4096MB), size=1024MB: write-back, count=1 > > Without mtrr_chunk_size=1g: > reg00: base=0x00000000 ( 0MB), size=2048MB: write-back, count=1 > reg01: base=0x80000000 (2048MB), size= 512MB: write-back, count=1 > reg02: base=0xa0000000 (2560MB), size= 256MB: write-back, count=1 > reg03: base=0xb0000000 (2816MB), size= 256MB: write-back, count=1 > reg04: base=0xbf700000 (3063MB), size= 1MB: uncachable, count=1 > reg05: base=0xbf800000 (3064MB), size= 8MB: uncachable, count=1 > reg06: base=0x100000000 (4096MB), size=1024MB: write-back, count=1 > > Both seem equivalent and correct. > > There are also no warnings anymore in the dmesg output: > With mtrr_chunk_size=1g: > http://bugzilla.kernel.org/attachment.cgi?id=15950 > > Without mtrr_chunk_size=1g: > http://bugzilla.kernel.org/attachment.cgi?id=15951 > >> also, can you try 64bit too? > > I'm not sure how to do this. Can I compile it under 32bit Linux? If not that > will be difficult since I don't have space left for a 64bit installation on my > hard-drive. Maybe Gabiel C can test 64bit?
Yes sure, done already :) I could test 32/64 bit on this box if needed.
> > Regards, > Mika
Gabriel
| |