mm: make defensive checks around PFN values registered for memory usage

[thirdparty/kernel/linux.git] / mm / bootmem.c

diff --git a/mm/bootmem.c b/mm/bootmem.c
index 8d9f60e06f621e1d6bf614238ca86b82dcb3e840..9f4bbc5da73fde70173527a2d9e18efe93528c72 100644 (file)
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -91,6 +91,7 @@ static unsigned long __init init_bootmem_core(pg_data_t *pgdat,
        bootmem_data_t *bdata = pgdat->bdata;
        unsigned long mapsize;
 
+       mminit_validate_memmodel_limits(&start, &end);
        bdata->node_bootmem_map = phys_to_virt(PFN_PHYS(mapstart));
        bdata->node_boot_start = PFN_PHYS(start);
        bdata->node_low_pfn = end;