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powerpc/mm/slb: Move comment next to the code it's referring to

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There is a comment in slb_allocate() referring to the load of
paca->vmalloc_sllp, but it's several lines prior in the assembly.
We're about to change this code, and we want to add another comment,
so move the comment immediately prior to the instruction it's talking
about.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Michael Ellerman 2017-08-01 20:29:23 +10:00
parent 63ee9b2ff9
commit b5048de04b
1 changed files with 4 additions and 3 deletions
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7
arch/powerpc/mm/slb_low.S
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@ -121,12 +121,13 @@ slb_miss_kernel_load_vmemmap:
1:
#endif /* CONFIG_SPARSEMEM_VMEMMAP */
/* vmalloc mapping gets the encoding from the PACA as the mapping
* can be demoted from 64K -> 4K dynamically on some machines
*/
clrldi r11,r10,48
cmpldi r11,(H_VMALLOC_SIZE >> 28) - 1
bgt 5f
/*
* vmalloc mapping gets the encoding from the PACA as the mapping
* can be demoted from 64K -> 4K dynamically on some machines.
*/
lhz r11,PACAVMALLOCSLLP(r13)
b 6f
5: