On Sun, Jul 12, 2009 at 11:46 PM, Li Zefan<lizf@xxxxxxxxxxxxxx> wrote:
> I think a better demonstration is:
>
> $ cat tasks
> 1000
> 1001
> 1002
>
> $ cat procs
> 1000
Indeed.
>> + /*
>> + * if the length difference is large enough, we want to allocate a
>> + * smaller buffer to save memory. if this fails due to out of memory,
>> + * we'll just stay with what we've got.
>> + */
>> + if (PIDLIST_REALLOC_DIFFERENCE(length, dest)) {
>> + newlist = kmalloc(dest * sizeof(pid_t), GFP_KERNEL);
>
> krealloc()
>
Ah yes. I had thought about krealloc and determined that it wasn't
clever enough to do in-place resizing, but forgot that it could be
used anyway here.
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