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SubjectRe: linux-next: manual merge of the vfs tree with the ext4 tree
On Tue, Apr 14, 2015 at 05:02:15PM -0400, Theodore Ts'o wrote:
> On Tue, Apr 14, 2015 at 06:17:43PM +0100, Al Viro wrote:
> > Except that you do not handle the slow unencrypted case - you end up with
> > kfree() on the freshly kunmaped address.
>
> Ah, right, we're actually kmalloc'ing the space that case as well ---
> so hanging on the cpage is pointless; which was the point you were
> making. Sorry, I was being slow.
>
> So what we have works, but it's not optimal. Will fix.

BTW, take a look at kfree_put_link(); no need to reinvent that wheel...


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