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powerpc/32: Drop a stale comment about reservation of gigantic pages

A comment about the reservation of gigantic pages was left in MMU_init()
after commit 79cc38ded1e1 ("powerpc/mm/hugetlb: Add support for
reserving gigantic huge pages via kernel command line")

Remove it.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/959d77be630b9b46a7458f0fbd41dc3a94ec811a.1661938317.git.christophe.leroy@csgroup.eu

authored by

Christophe Leroy and committed by
Michael Ellerman fc06755e 8b4bb0ad

-4
-4
arch/powerpc/mm/init_32.c
··· 82 82 if (ppc_md.progress) 83 83 ppc_md.progress("MMU:enter", 0x111); 84 84 85 - /* 86 - * Reserve gigantic pages for hugetlb. This MUST occur before 87 - * lowmem_end_addr is initialized below. 88 - */ 89 85 if (memblock.memory.cnt > 1) { 90 86 #ifndef CONFIG_WII 91 87 memblock_enforce_memory_limit(memblock.memory.regions[0].size);