Allocating memory in the form of 'BITS'

Allocating memory in the form of 'BITS'

[Shard Gupta]

Hello List,

I am writing a linux kernel module, and I want to allocates the memory
in a way so I can define each individual bit, like bitfield structure
in userspace.
Please tell me the way to do the same.

Thanks and regards,

Shard Gupta

Re: Allocating memory in the form of 'BITS'

[Scott Lovenberg]

Shard Gupta wrote:
> Hello List,
>
> I am writing a linux kernel module, and I want to allocates the memory
> in a way so I can define each individual bit, like bitfield structure
> in userspace.
> Please tell me the way to do the same.
>
> Thanks and regards,
>
> Shard Gupta
>
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>   
If you want to set every bit to zero, you could use calloc(); otherwise, 
I think you'll need to use a bitmask and "<<", ">>" (bit shift left, 
right).  You could also probably do a bitwise '&' and '|'.