Messages in this thread | | | Date | Mon, 6 Feb 2006 17:39:36 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] mm: implement swap prefetching |
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Con Kolivas <kernel@kolivas.org> wrote: > > > > +/* Last total free pages */ > > > +static unsigned long last_free = 0; > > > +static unsigned long temp_free = 0; > > > > Unneeded initialisation. > > Very first use of both of these variables depends on them being initialised.
All bss is initialised to zero at bootup. So all the `= 0' is doing here is moving these variables from .bss to .data, and taking up extra space in vmlinux.
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