mmotm 2010-12-16 - breaks mlockall() call

[Valdis . Kletnieks]

On Thu, 16 Dec 2010 14:56:39 PST, akpm@xxxxxxxxxxxxxxxxxxxx said:
> The mm-of-the-moment snapshot 2010-12-16-14-56 has been uploaded to
> 
>    http://userweb.kernel.org/~akpm/mmotm/

The patch mlock-only-hold-mmap_sem-in-shared-mode-when-faulting-in-pages.patch
causes this chunk of code from cryptsetup-luks to fail during the initramfs:

	if (mlockall(MCL_CURRENT | MCL_FUTURE)) {
                        log_err(ctx, _("WARNING!!! Possibly insecure memory. Are you root?\n"));
                        _memlock_count--;
                        return 0;
                }

Bisection fingered this patch, which was added after -rc4-mmotm1202, which
boots without tripping this log_err() call.  I haven't tried building a
-rc6-mmotm1216 with this patch reverted, because reverting it causes apply
errors for subsequent patches.

Ideas?

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