Re: hugetlbfs not working

[Avi Kivity <avi@qumranet.com>]

Alexander Graf wrote:
> Hi,
>
> I'm currently trying to get hugetlbfs working on the current git  
> version and am quite puzzled to see it not working. It appears as if  
> the ftruncate call fails:
>
> open("/dev/hugetlbfs//kvm.vI3G8z", O_RDWR|O_CREAT|O_EXCL, 0600) = 7
> unlink("/dev/hugetlbfs//kvm.vI3G8z")    = 0
> ftruncate(7, 157286400)                 = -1 EINVAL (Invalid argument)
> dup(2)                                  = 8
> fcntl(8, F_GETFL)                       = 0x8001 (flags O_WRONLY| 
> O_LARGEFILE)
> close(8)                                = 0
> write(2, "ftruncate: Invalid argument\n", 28ftruncate: Invalid argument
> ) = 28
> close(7)                                = 0
>
> My host kernel is a 2.6.22.
>
> Is this supposed to work? The first version did not have the ftruncate  
> call, so maybe it doesn't work at all with hugetlbfs?
>   

Are you on i386 non-pae?  that has 4MB pages, while you're asking for 
for 37.5 4MB pages.

Try adding 2MB to the requested memory size.


-- 
error compiling committee.c: too many arguments to function


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