mirror of
https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
synced 2026-10-28 02:32:09 -04:00
sh: bootmem tidying for discontig/sparsemem preparation.
This reworks some of the node 0 bootmem initialization in preparation for discontigmem and sparsemem support. ARCH_POPULATES_NODE_MAP is switched to as a result of this. Signed-off-by: Paul Mundt <[email protected]>
This commit is contained in:
parent
759ab068c4
commit
01066625e9
5 changed files with 207 additions and 181 deletions
|
|
@ -169,6 +169,8 @@ enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
|
|||
#define destroy_context(mm) do { } while (0)
|
||||
#define set_asid(asid) do { } while (0)
|
||||
#define get_asid() (0)
|
||||
#define set_TTB(pgd) do { } while (0)
|
||||
#define get_TTB() (0)
|
||||
#define activate_context(mm,cpu) do { } while (0)
|
||||
#define switch_mm(prev,next,tsk) do { } while (0)
|
||||
#define deactivate_mm(tsk,mm) do { } while (0)
|
||||
|
|
@ -211,8 +213,8 @@ static inline void disable_mmu(void)
|
|||
* MMU control handlers for processors lacking memory
|
||||
* management hardware.
|
||||
*/
|
||||
#define enable_mmu() do { BUG(); } while (0)
|
||||
#define disable_mmu() do { BUG(); } while (0)
|
||||
#define enable_mmu() do { } while (0)
|
||||
#define disable_mmu() do { } while (0)
|
||||
#endif
|
||||
|
||||
#endif /* __KERNEL__ */
|
||||
|
|
|
|||
|
|
@ -59,6 +59,7 @@ extern void (*clear_page)(void *to);
|
|||
extern void (*copy_page)(void *to, void *from);
|
||||
|
||||
extern unsigned long shm_align_mask;
|
||||
extern unsigned long max_low_pfn, min_low_pfn;
|
||||
|
||||
#ifdef CONFIG_MMU
|
||||
extern void clear_page_slow(void *to);
|
||||
|
|
@ -124,17 +125,16 @@ typedef struct { unsigned long pgd; } pgd_t;
|
|||
#define PAGE_OFFSET CONFIG_PAGE_OFFSET
|
||||
#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET)
|
||||
#define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET))
|
||||
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
|
||||
|
||||
#define MAP_NR(addr) (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT)
|
||||
|
||||
#define phys_to_page(phys) (mem_map + (((phys)-__MEMORY_START) >> PAGE_SHIFT))
|
||||
#define page_to_phys(page) (((page - mem_map) << PAGE_SHIFT) + __MEMORY_START)
|
||||
#define phys_to_page(phys) (pfn_to_page(phys >> PAGE_SHIFT))
|
||||
#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
|
||||
|
||||
/* PFN start number, because of __MEMORY_START */
|
||||
#define PFN_START (__MEMORY_START >> PAGE_SHIFT)
|
||||
#define ARCH_PFN_OFFSET (PFN_START)
|
||||
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
|
||||
#define pfn_valid(pfn) (((pfn) - PFN_START) < max_mapnr)
|
||||
#define pfn_valid(pfn) ((pfn) >= min_low_pfn && (pfn) < max_low_pfn)
|
||||
#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
|
||||
|
||||
#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
|
||||
|
|
|
|||
Loading…
Reference in a new issue