Re: [RFC] fs, proc: Introduce the /proc/<pid>/map_files/ directory v2
From: Kirill A. Shutemov
Date: Fri Aug 26 2011 - 10:23:41 EST
On Fri, Aug 26, 2011 at 04:06:20PM +0200, Tejun Heo wrote:
> > +struct map_files_info {
> > + struct file *file;
> > + unsigned char name[16+16+2]; /* max: %016lx-%016lx\0 */
> > + unsigned long len;
> > +};
>
> That's slightly above 50 bytes.
We can use 4 * sizeof(unsigned long) + 2 for name to save a bit on 32 bit
architectures.
BTW, show_map_vma() uses "%08lx-%08lx" to print ->start, ->end. I think
it's good idea to use this here as well to be consistent with
/proc/$PID/{s,}maps
--
Kirill A. Shutemov
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