diff options
| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-01-30 13:34:11 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:34:11 +0100 |
| commit | e3ed910db221768f8fd6192b13373e17d61bcdf0 (patch) | |
| tree | 67a5eed4709a4b1b38e952af5bfc0340f78703af /include | |
| parent | x86: defer cr3 reload when doing pud_clear() (diff) | |
| download | linux-e3ed910db221768f8fd6192b13373e17d61bcdf0.tar.xz linux-e3ed910db221768f8fd6192b13373e17d61bcdf0.zip | |
x86: use the same pgd_list for PAE and 64-bit
Use a standard list threaded through page->lru for maintaining the pgd
list on PAE. This is the same as 64-bit, and seems saner than using a
non-standard list via page->index.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-x86/pgtable.h | 2 | ||||
| -rw-r--r-- | include/asm-x86/pgtable_32.h | 2 | ||||
| -rw-r--r-- | include/asm-x86/pgtable_64.h | 3 |
3 files changed, 2 insertions, 5 deletions
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h index 269e7e29ea8e..cd2524f07452 100644 --- a/include/asm-x86/pgtable.h +++ b/include/asm-x86/pgtable.h @@ -131,6 +131,8 @@ extern pteval_t __PAGE_KERNEL, __PAGE_KERNEL_EXEC; extern unsigned long empty_zero_page[PAGE_SIZE/sizeof(unsigned long)]; #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) +extern spinlock_t pgd_lock; +extern struct list_head pgd_list; /* * The following only work if pte_present() is true. diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h index 7b61cb5989b0..21e70fbf1dae 100644 --- a/include/asm-x86/pgtable_32.h +++ b/include/asm-x86/pgtable_32.h @@ -27,8 +27,6 @@ struct vm_area_struct; extern pgd_t swapper_pg_dir[1024]; extern struct kmem_cache *pmd_cache; -extern spinlock_t pgd_lock; -extern struct page *pgd_list; void check_pgt_cache(void); static inline void pgtable_cache_init(void) {} diff --git a/include/asm-x86/pgtable_64.h b/include/asm-x86/pgtable_64.h index ce1dbab75e39..6e615a103c2f 100644 --- a/include/asm-x86/pgtable_64.h +++ b/include/asm-x86/pgtable_64.h @@ -240,9 +240,6 @@ static inline unsigned long pmd_bad(pmd_t pmd) #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) #define __swp_entry_to_pte(x) ((pte_t) { .pte = (x).val }) -extern spinlock_t pgd_lock; -extern struct list_head pgd_list; - extern int kern_addr_valid(unsigned long addr); #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ |