[3.2-stable] Suspend regression after "x86, mm: Set NX across entire PMD at boot"

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Commit 45e2a9d4701d8c624d4a4bcdd1084eae31e92f58 ("x86, mm: Set NX across
entire PMD at boot") has been backported to many stable branches:

v3.10.62: 0b15c16c4f4a x86, mm: Set NX across entire PMD at boot
v3.12.35: 868b19cb0314 x86, mm: Set NX across entire PMD at boot
v3.14.26: 1a829c59816e x86, mm: Set NX across entire PMD at boot
v3.17.5: 6231385167e0 x86, mm: Set NX across entire PMD at boot
v3.2.65: a5c187d92d2c x86, mm: Set NX across entire PMD at boot
v3.13.11-ckt12: 3657489f7009 x86, mm: Set NX across entire PMD at boot
v3.16.7-ckt3: de32229b546e x86, mm: Set NX across entire PMD at boot

Unfortunately, in 3.2.65 suspend/resume stopped working on at least some
systems - specifically, the system would reboot when woken:

https://bugs.debian.org/774436 - Lenovo ThinkPad T530
https://bugs.debian.org/774461 - Lenovo ThinkPad X230
https://bugs.debian.org/774526 - ECS P4M900T-M2
https://bugs.debian.org/775059 - ASUS X201EP

I could reproduce this on my own ASUS P8Z68-V LX and was able to bisect
to the backport of this commit.

Assuming that this regression has not occurred on mainline or the other
branches, I will revert this patch for 3.2.y unless someone can point
out a missing dependency that I should apply.

Ben.

-- 
Ben Hutchings
One of the nice things about standards is that there are so many of them.

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