Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@xxxxxxx>
---
arch/powerpc/mm/pgtable_32.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index d35d9ad3c1cd..d54e1a9c1c99 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -145,9 +145,8 @@ __ioremap_caller(phys_addr_t addr, unsigned long size, unsigned long flags,
#ifndef CONFIG_CRASH_DUMP
/*
* Don't allow anybody to remap normal RAM that we're using.
- * mem_init() sets high_memory so only do the check after that.
*/
- if (slab_is_available() && (p < virt_to_phys(high_memory)) &&
+ if (page_is_ram(__phys_to_pfn(p)) &&
!(__allow_ioremap_reserved && memblock_is_region_reserved(p, size))) {
printk("__ioremap(): phys addr 0x%llx is RAM lr %ps\n",
(unsigned long long)p, __builtin_return_address(0));
--
2.16.1
--
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