diff options
| author | Andi Kleen <ak@suse.de> | 2008-01-30 13:33:17 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:33:17 +0100 |
| commit | 751752789162fde69474edfa15935d0a77c0bc17 (patch) | |
| tree | 43eef77784989bc25979da1cc128e31fc46b3cea /arch/x86/mm/init_64.c | |
| parent | edcd81199dbad5db11ae91b507cec1d46dd94a49 (diff) | |
x86: replace hard coded reservations in 64-bit early boot code with dynamic table
On x86-64 there are several memory allocations before bootmem. To avoid
them stomping on each other they used to be all hard coded in bad_area().
Replace this with an array that is filled as needed.
This cleans up the code considerably and allows to expand its use.
Cc: peterz@infradead.org
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/mm/init_64.c')
| -rw-r--r-- | arch/x86/mm/init_64.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 05f12c527b02..8198840c3dcb 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -176,7 +176,8 @@ __set_fixmap (enum fixed_addresses idx, unsigned long phys, pgprot_t prot) set_pte_phys(address, phys, prot); } -unsigned long __meminitdata table_start, table_end; +static unsigned long __initdata table_start; +static unsigned long __meminitdata table_end; static __meminit void *alloc_low_page(unsigned long *phys) { @@ -387,6 +388,8 @@ void __init_refok init_memory_mapping(unsigned long start, unsigned long end) if (!after_bootmem) mmu_cr4_features = read_cr4(); __flush_tlb_all(); + + reserve_early(table_start << PAGE_SHIFT, table_end << PAGE_SHIFT); } #ifndef CONFIG_NUMA |