Re: [RFC][PATCH 3/5] pagemap: remove open-coded sizeof(unsignedlong)

From: Dave Hansen
Date: Tue Aug 07 2007 - 19:55:42 EST


On Tue, 2007-08-07 at 18:40 -0500, Matt Mackall wrote:
> On Tue, Aug 07, 2007 at 03:33:02PM -0700, Dave Hansen wrote:
> > +#define PAGEMAP_ENTRY_SIZE_BYTES sizeof(unsigned long)
> > +
> > static int add_to_pagemap(unsigned long addr, unsigned long pfn,
> > struct pagemapread *pm)
> > {
> > __put_user(pfn, pm->out);
> > pm->out++;
> > - pm->pos += sizeof(unsigned long);
> > - pm->count -= sizeof(unsigned long);
> > - pm->next = addr + PAGE_SIZE;
> > + pm->pos += PAGEMAP_ENTRY_SIZE_BYTES;
> > + pm->count -= PAGEMAP_ENTRY_SIZE_BYTES;
>
> I think deleting ->next is a little premature here?

It is. I'll fix that up.

-- Dave

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