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SubjectRe: [PATCH 05/39] vfs: optionally don't account file in nr_files
On Tue, May 29, 2018 at 04:43:05PM +0200, Miklos Szeredi wrote:
> Stacking file operations in overlay will store an extra open file for each
> overlay file opened.
>
> The overhead is just that of "struct file" which is about 256bytes, because
> overlay already pins an extra dentry and inode when the file is open, which
> add up to a much larger overhead.

But that overhead is exactly what nr_files accounts for, so this looks
bogus to me.

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