powerpc/mm/slb: Move comment next to the code it's referring to
authorMichael Ellerman <mpe@ellerman.id.au>
Tue, 1 Aug 2017 10:29:23 +0000 (20:29 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 8 Aug 2017 09:37:04 +0000 (19:37 +1000)
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>
arch/powerpc/mm/slb_low.S

index bde378559d0159add6e963178edd6ef186d04c70..2eb1b92a68ff434af0b4f9b5a91a6d589709bd25 100644 (file)
@@ -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: