Matthias Wolle <Matthias.Wolle@gmx.de> writes:

quoted text
> Jan 17 23:31:58 franklin72 kernel: sshd invoked oom-killer: gfp_mask=0xd0, order=0, oomkilladj=0
> Jan 17 23:31:58 franklin72 kernel: cat invoked oom-killer: gfp_mask=0x84d0, order=0, oomkilladj=0
> Jan 17 23:31:58 franklin72 kernel:  [<c014af39>] out_of_memory+0x69/0x1a4
> Jan 17 23:31:58 franklin72 kernel:  [<c014c588>] __alloc_pages+0x20a/0x291
> Jan 17 23:31:58 franklin72 kernel:  [<c0153618>] __pte_alloc+0x11/0x94

Do you perhaps have a kernel compiled without CONFIG_HIGHPTE? Normally
__pte_alloc should be able to allocate highmem unless that option is 
not set. Before HIGHPTE was implemented running out of low memory
due to page tables was pretty common.

BTW the ultimate fix for most lowmem problems is to go 64bit

-Andi
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