diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/early_res.h | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/e820.c | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/early_res.c | 17 |
3 files changed, 16 insertions, 6 deletions
diff --git a/arch/x86/include/asm/early_res.h b/arch/x86/include/asm/early_res.h index 5a4d2eb8e79..9758f3df9da 100644 --- a/arch/x86/include/asm/early_res.h +++ b/arch/x86/include/asm/early_res.h @@ -12,6 +12,7 @@ u64 find_early_area(u64 ei_start, u64 ei_last, u64 start, u64 end, u64 size, u64 align); u64 find_early_area_size(u64 ei_start, u64 ei_last, u64 start, u64 *sizep, u64 align); +u64 find_fw_memmap_area(u64 start, u64 end, u64 size, u64 align); #include <linux/range.h> int get_free_all_memory_range(struct range **rangep, int nodeid); diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index b4e512b03aa..36918d8463a 100644 --- a/arch/x86/kernel/e820.c +++ b/arch/x86/kernel/e820.c @@ -748,6 +748,10 @@ u64 __init find_e820_area(u64 start, u64 end, u64 size, u64 align) return -1ULL; } +u64 __init find_fw_memmap_area(u64 start, u64 end, u64 size, u64 align) +{ + return find_e820_area(start, end, size, align); +} /* * Find next free range after *start */ diff --git a/arch/x86/kernel/early_res.c b/arch/x86/kernel/early_res.c index 656cdf86a2f..1458dc02234 100644 --- a/arch/x86/kernel/early_res.c +++ b/arch/x86/kernel/early_res.c @@ -7,16 +7,14 @@ #include <linux/bootmem.h> #include <linux/mm.h> -#include <asm/e820.h> #include <asm/early_res.h> -#include <asm/proto.h> /* * Early reserved memory areas. */ /* * need to make sure this one is bigger enough before - * find_e820_area could be used + * find_fw_memmap_area could be used */ #define MAX_EARLY_RES_X 32 @@ -180,6 +178,13 @@ void __init reserve_early_overlap_ok(u64 start, u64 end, char *name) __reserve_early(start, end, name, 1); } +u64 __init __weak find_fw_memmap_area(u64 start, u64 end, u64 size, u64 align) +{ + panic("should have find_fw_memmap_area defined with arch"); + + return -1ULL; +} + static void __init __check_and_double_early_res(u64 ex_start, u64 ex_end) { u64 start, end, size, mem; @@ -198,13 +203,13 @@ static void __init __check_and_double_early_res(u64 ex_start, u64 ex_end) start = early_res[0].end; end = ex_start; if (start + size < end) - mem = find_e820_area(start, end, size, + mem = find_fw_memmap_area(start, end, size, sizeof(struct early_res)); if (mem == -1ULL) { start = ex_end; end = max_pfn_mapped << PAGE_SHIFT; if (start + size < end) - mem = find_e820_area(start, end, size, + mem = find_fw_memmap_area(start, end, size, sizeof(struct early_res)); } if (mem == -1ULL) @@ -343,7 +348,7 @@ int __init get_free_all_memory_range(struct range **rangep, int nodeid) start = MAX_DMA32_PFN << PAGE_SHIFT; #endif end = max_pfn_mapped << PAGE_SHIFT; - mem = find_e820_area(start, end, size, sizeof(struct range)); + mem = find_fw_memmap_area(start, end, size, sizeof(struct range)); if (mem == -1ULL) panic("can not find more space for range free"); |