memblock_reserve(addr, size);
}
-static unsigned reserve_low = CONFIG_X86_RESERVE_LOW << 10;
-
static bool __init snb_gfx_workaround_needed(void)
{
#ifdef CONFIG_PCI
* since some BIOSes are known to corrupt low memory. See the
* Kconfig help text for X86_RESERVE_LOW.
*/
- e820_update_range(0, ALIGN(reserve_low, PAGE_SIZE),
- E820_RAM, E820_RESERVED);
+ e820_update_range(0, PAGE_SIZE, E820_RAM, E820_RESERVED);
/*
* special case: Some BIOSen report the PC BIOS
sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
}
+static unsigned reserve_low = CONFIG_X86_RESERVE_LOW << 10;
+
static int __init parse_reservelow(char *p)
{
unsigned long long size;
early_param("reservelow", parse_reservelow);
+static void __init trim_low_memory_range(void)
+{
+ memblock_reserve(0, ALIGN(reserve_low, PAGE_SIZE));
+}
+
/*
* Determine if we were loaded by an EFI loader. If so, then we have also been
* passed the efi memmap, systab, etc., so we should use these data structures
setup_real_mode();
trim_platform_memory_ranges();
+ trim_low_memory_range();
init_gbpages();