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| author |   Jeremy Fitzhardinge <jeremy@xensource.com> | 2007-07-17 18:37:03 -0700 |
|---|---|---|
| committer |   Jeremy Fitzhardinge <jeremy@goop.org> | 2007-07-18 08:47:40 -0700 |
| commit | fdb4c338c8d1d494e17c3422a3ea2129f6791596 (patch) | |
| tree | 08305dcbbf4179299f5d001796d658ff08ecc014 /arch/i386 | |
| parent | use elfnote.h to generate vsyscall notes. (diff) | |
| download | linux-dev-fdb4c338c8d1d494e17c3422a3ea2129f6791596.tar.xz linux-dev-fdb4c338c8d1d494e17c3422a3ea2129f6791596.zip | |
paravirt: add an "mm" argument to alloc_pt
It's useful to know which mm is allocating a pagetable. Xen uses this
to determine whether the pagetable being added to is pinned or not.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Diffstat (limited to 'arch/i386')
| -rw-r--r-- | arch/i386/kernel/vmi.c | 2 | ||||
| -rw-r--r-- | arch/i386/mm/init.c | 2 | ||||
| -rw-r--r-- | arch/i386/mm/pageattr.c | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/arch/i386/kernel/vmi.c b/arch/i386/kernel/vmi.c index c12720d7cbc5..234bd6ff518d 100644 --- a/arch/i386/kernel/vmi.c +++ b/arch/i386/kernel/vmi.c @@ -362,7 +362,7 @@ static void *vmi_kmap_atomic_pte(struct page *page, enum km_type type) } #endif -static void vmi_allocate_pt(u32 pfn) +static void vmi_allocate_pt(struct mm_struct *mm, u32 pfn) { vmi_set_page_type(pfn, VMI_PAGE_L1); vmi_ops.allocate_page(pfn, VMI_PAGE_L1, 0, 0, 0); diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c index 7135946d3663..f9b6a8878547 100644 --- a/arch/i386/mm/init.c +++ b/arch/i386/mm/init.c @@ -87,7 +87,7 @@ static pte_t * __init one_page_table_init(pmd_t *pmd) if (!(pmd_val(*pmd) & _PAGE_PRESENT)) { pte_t *page_table = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE); - paravirt_alloc_pt(__pa(page_table) >> PAGE_SHIFT); + paravirt_alloc_pt(&init_mm, __pa(page_table) >> PAGE_SHIFT); set_pmd(pmd, __pmd(__pa(page_table) | _PAGE_TABLE)); BUG_ON(page_table != pte_offset_kernel(pmd, 0)); } diff --git a/arch/i386/mm/pageattr.c b/arch/i386/mm/pageattr.c index 2eb14a73be9c..37992ffb1633 100644 --- a/arch/i386/mm/pageattr.c +++ b/arch/i386/mm/pageattr.c @@ -60,7 +60,7 @@ static struct page *split_large_page(unsigned long address, pgprot_t prot, address = __pa(address); addr = address & LARGE_PAGE_MASK; pbase = (pte_t *)page_address(base); - paravirt_alloc_pt(page_to_pfn(base)); + paravirt_alloc_pt(&init_mm, page_to_pfn(base)); for (i = 0; i < PTRS_PER_PTE; i++, addr += PAGE_SIZE) { set_pte(&pbase[i], pfn_pte(addr >> PAGE_SHIFT, addr == address ? prot : ref_prot)); |