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-rw-r--r--arch/powerpc/mm/hash_utils_64.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 5c64af1..8d5b475 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -382,8 +382,10 @@ static int __init htab_dt_scan_hugepage_blocks(unsigned long node,
printk(KERN_INFO "Huge page(16GB) memory: "
"addr = 0x%lX size = 0x%lX pages = %d\n",
phys_addr, block_size, expected_pages);
- lmb_reserve(phys_addr, block_size * expected_pages);
- add_gpage(phys_addr, block_size, expected_pages);
+ if (phys_addr + (16 * GB) <= lmb_end_of_DRAM()) {
+ lmb_reserve(phys_addr, block_size * expected_pages);
+ add_gpage(phys_addr, block_size, expected_pages);
+ }
return 0;
}
#endif /* CONFIG_HUGETLB_PAGE */
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