Re: [PATCH 2/3] mmap: round mmap hint address above mmap_min_addr

From: Eric Paris
Date: Fri Nov 16 2007 - 16:50:59 EST


On Sat, 2007-11-17 at 08:42 +1100, James Morris wrote:
> On Fri, 16 Nov 2007, Eric Paris wrote:
>
> > +#ifdef CONFIG_SECURITY
> > + /*
> > + * If a hint addr is less than mmap_min_addr change addr to be as
> > + * low as possible but still greater than mmap_min_addr
> > + */
> > + if (!(flags & MAP_FIXED) && ((void *)addr != NULL) &&
> > + (addr < mmap_min_addr))
> > + addr = PAGE_ALIGN(mmap_min_addr);
> > +#endif
>
> Please make this a static inline which is optimized away with
> !CONFIG_SECURITY.

Where do you think these should go? You think I should instead have a
static inline function in both mmap.c and nommu.c so the CONFIG check
isn't scattered in this code but still in this file? Or did you
actually want something in security.h so I only have the code once?

-Eric

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/