Re: [PATCH] eCryptfs: infinite loop bug

From: Linus Torvalds
Date: Wed Jan 18 2012 - 22:43:27 EST


On Wed, Jan 18, 2012 at 1:40 PM, Tyler Hicks <tyhicks@xxxxxxxxxxxxx> wrote:
>
> mm/filemap.c uses unsigned long for variables used to identify an offset
> into a single page. That's what I'm tempted to use for offset_in_page,
> rather than loff_t.

Indeed. The offset within a page will fit fine even in an "unsigned
int", and "loff_t" is crazy overkill - and usually generates horrible
code on 32-bit architectures.

Linus
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