trim_size 854 arch/x86/kernel/cpu/mtrr/cleanup.c u64 trim_start, trim_size; trim_size 859 arch/x86/kernel/cpu/mtrr/cleanup.c trim_size = limit_pfn; trim_size 860 arch/x86/kernel/cpu/mtrr/cleanup.c trim_size <<= PAGE_SHIFT; trim_size 861 arch/x86/kernel/cpu/mtrr/cleanup.c trim_size -= trim_start; trim_size 863 arch/x86/kernel/cpu/mtrr/cleanup.c return e820__range_update(trim_start, trim_size, E820_TYPE_RAM, E820_TYPE_RESERVED);