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SubjectRe: [GIT PULL] SLAB changes for v3.10
* Pekka Enberg <penberg@kernel.org> [130506 23:42]:
> Hi Linus,
>
> Please pull the latest SLAB tree from:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux.git slab/for-linus
...

> mm, slab_common: Fix bootstrap creation of kmalloc caches

This one seems to cause a regression for me on at least arm omap
and vexpress that depends on some kconfig option I have not been
able to figure out yet. Reverting 8a965b3b fixes the issue.

Any ideas?

Regards,

Tony


Without reverting 8a965b3b I'm getting:

[ 0.000000] Unable to handle kernel NULL pointer dereference at virtual address 00000054
[ 0.000000] pgd = c0004000
[ 0.000000] [00000054] *pgd=00000000
[ 0.000000] Internal error: Oops: 5 [#1] SMP ARM
[ 0.000000] Modules linked in:
[ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.9.0-11486-g6d13e11 #689
[ 0.000000] task: c06f77c8 ti: c06ec000 task.ti: c06ec000
[ 0.000000] PC is at kmem_cache_alloc_trace+0x50/0x178
[ 0.000000] LR is at kmem_cache_alloc_trace+0x38/0x178
[ 0.000000] pc : [<c00edab4>] lr : [<c00eda9c>] psr: 600001d3
[ 0.000000] sp : c06edf70 ip : 600001d3 fp : 00000000
[ 0.000000] r10: 000000c0 r9 : c0086958 r8 : 000080d0
[ 0.000000] r7 : 00000000 r6 : 600001d3 r5 : 00000000 r4 : 00008000
[ 0.000000] r3 : 00000050 r2 : c06ec000 r1 : c06f77c8 r0 : c00eda9c
[ 0.000000] Flags: nZCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment kernel
[ 0.000000] Control: 10c5387d Table: 6000406a DAC: 00000015
[ 0.000000] Process swapper/0 (pid: 0, stack limit = 0xc06ec240)
[ 0.000000] Stack: (0xc06edf70 to 0xc06ee000)
[ 0.000000] df60: 00002014 00000010 c0702890 00000000
[ 0.000000] df80: 00000000 00000000 00000000 410fc090 c06f4480 c0086958 c0702890 00000000
[ 0.000000] dfa0: 00000010 c06dc0b0 ffffffff c06b44f4 9fffffff c073834c c0738340 c06a5828
[ 0.000000] dfc0: ffffffff ffffffff c06a5478 00000000 00000000 c06dc0b0 00000000 10c5387d
[ 0.000000] dfe0: c06f44c8 c06dc4b4 c06f8cac 6000406a 00000000 60008074 00000000 00000000
[ 0.000000] [<c00edab4>] (kmem_cache_alloc_trace+0x50/0x178) from [<c0086958>] (alloc_desc+0x24/0xb4)
[ 0.000000] [<c0086958>] (alloc_desc+0x24/0xb4) from [<c06b44f4>] (early_irq_init+0x78/0xec)
[ 0.000000] [<c06b44f4>] (early_irq_init+0x78/0xec) from [<c06a5828>] (start_kernel+0x17c/0x33c)
[ 0.000000] [<c06a5828>] (start_kernel+0x17c/0x33c) from [<60008074>] (0x60008074)
[ 0.000000] Code: e5923014 e2833014 e1a03103 e0873003 (e5931004)
[ 0.000000] ---[ end trace 1b75b31a2719ed1c ]---


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