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Subject[PATCH] powerpc/mm: don't display empty early ioremap area
Date
On the 8xx, the layout displayed at boot is:

[ 0.000000] Memory: 121856K/131072K available (5728K kernel code, 592K rwdata, 1248K rodata, 560K init, 448K bss, 9216K reserved, 0K cma-reserved)
[ 0.000000] Kernel virtual memory layout:
[ 0.000000] * 0xffefc000..0xffffc000 : fixmap
[ 0.000000] * 0xffefc000..0xffefc000 : early ioremap
[ 0.000000] * 0xc9000000..0xffefc000 : vmalloc & ioremap
[ 0.000000] SLUB: HWalign=16, Order=0-3, MinObjects=0, CPUs=1, Nodes=1

Remove display of an empty early ioremap.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
arch/powerpc/mm/mem.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 3e9e9a051c93..69f99128a8d6 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -306,8 +306,9 @@ void __init mem_init(void)
pr_info(" * 0x%08lx..0x%08lx : consistent mem\n",
IOREMAP_TOP, IOREMAP_TOP + CONFIG_CONSISTENT_SIZE);
#endif /* CONFIG_NOT_COHERENT_CACHE */
- pr_info(" * 0x%08lx..0x%08lx : early ioremap\n",
- ioremap_bot, IOREMAP_TOP);
+ if (ioremap_bot != IOREMAP_TOP)
+ pr_info(" * 0x%08lx..0x%08lx : early ioremap\n",
+ ioremap_bot, IOREMAP_TOP);
pr_info(" * 0x%08lx..0x%08lx : vmalloc & ioremap\n",
VMALLOC_START, VMALLOC_END);
#endif /* CONFIG_PPC32 */
--
2.13.3
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