Messages in this thread Patch in this message | | | From | Rui Teng <> | Subject | [PATCH] powerpc/mm: fix a hardcode on memory boundary checking | Date | Thu, 12 Jan 2017 17:09:06 +0800 |
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The offset of hugepage block will not be 16G, if the expected page is more than one. Calculate the totol size instead of the hardcode value.
Signed-off-by: Rui Teng <rui.teng@linux.vnet.ibm.com> --- arch/powerpc/mm/hash_utils_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 8033493..b829f8e 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -506,7 +506,7 @@ 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); - if (phys_addr + (16 * GB) <= memblock_end_of_DRAM()) { + if (phys_addr + block_size * expected_pages <= memblock_end_of_DRAM()) { memblock_reserve(phys_addr, block_size * expected_pages); add_gpage(phys_addr, block_size, expected_pages); } -- 2.9.0
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