e820__range

函数名称：e820__range_add

函数原型：void __init e820__range_add(u64 start, u64 size, enum e820_type type)

返回类型：void

参数：

**调用者**
名称	描述
__append_e820_table
e820__range_remove	Remove a range of memory from the E820 table:
parse_memmap_one
e820__memory_setup_default	Pass the firmware (bootloader) E820 map to the kernel and process it:
arch_reserve_mem_area
intel_graphics_stolen
early_gart_iommu_check	With kexec/kdump, if the first kernel doesn't shut down the GART and the* second kernel allocates a different GART region, there might be two* overlapping GART regions present:* - the first still used by the GART initialized in the first kernel.
e820_add_kernel_range	alled before trim_bios_range() to spare extra sanitize

函数逻辑报告