Re: Doubt in sizeof () operator

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Just a correction..."*newsize" is inside ipc_rcu_alloc. I want to understand how memory will be allocated and what's the role of *newsize?

"newsize" is an int holding the value 128.

-Govindraj

On Fri, 06 Nov 2009 11:38:34 +0530 wrote
>Hi,
>

>
While going through the code of IPC semaphore implementation, I encountered a statement:
>

>
new = ipc_rcu_alloc(sizeof(struct kern_ipc_perm *)*newsize +sizeof(struct ipc_id_ary))
>

>
I am not able to understand how memory will be allocated by the above statement. Inside the sizeof() operator why do we need "*newsize"? how does size of interprets *newsize?
>

>
-Govindraj


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