Messages in this thread | | | Subject | Re: [linux-next-20130422] Bug in SLAB? | From | Tetsuo Handa <> | Date | Tue, 30 Apr 2013 00:28:13 +0900 |
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Glauber Costa wrote: > If I am right, the following (untested) patch should solve the problem.
This patch did not help;
kmalloc(8 * 1024 * 1024, GFP_KERNEL)
still causes both
include/linux/slab_def.h:136: warning: array subscript is above array bounds
and
BUG: unable to handle kernel NULL pointer dereference at 00000058 IP: [<c10b9d76>] kmem_cache_alloc+0x26/0xb0
.
Christoph Lameter wrote: > What is MAX_ORDER on the architecture?
In my environment (x86_32), the constants are
MAX_ORDER=11 PAGE_SHIFT=12 KMALLOC_SHIFT_HIGH=22 KMALLOC_MAX_SIZE=4194304
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