diff options
Diffstat (limited to 'arch/um/kernel')
-rw-r--r-- | arch/um/kernel/mem.c | 21 | ||||
-rw-r--r-- | arch/um/kernel/process.c | 8 | ||||
-rw-r--r-- | arch/um/kernel/skas/uaccess.c | 13 | ||||
-rw-r--r-- | arch/um/kernel/tlb.c | 7 |
4 files changed, 35 insertions, 14 deletions
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c index 96072e27a0e..1f8f0c19517 100644 --- a/arch/um/kernel/mem.c +++ b/arch/um/kernel/mem.c @@ -152,7 +152,7 @@ pgprot_t kmap_prot; #define kmap_get_fixmap_pte(vaddr) \ pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k(vaddr), (vaddr)),\ - (vaddr)), (vaddr)) + (vaddr)), (vaddr)) static void __init kmap_init(void) { @@ -278,7 +278,8 @@ struct page *arch_validate(struct page *page, gfp_t mask, int order) goto again; } -/* This can't do anything because nothing in the kernel image can be freed +/* + * This can't do anything because nothing in the kernel image can be freed * since it's not in kernel physical memory. */ @@ -331,9 +332,7 @@ void show_mem(void) printk("%d pages swap cached\n", cached); } -/* - * Allocate and free page tables. - */ +/* Allocate and free page tables. */ pgd_t *pgd_alloc(struct mm_struct *mm) { @@ -368,3 +367,15 @@ struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) pte = alloc_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO); return pte; } + +#ifdef CONFIG_3_LEVEL_PGTABLES +pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) +{ + pmd_t *pmd = (pmd_t *) __get_free_page(GFP_KERNEL); + + if (pmd) + memset(pmd, 0, PAGE_SIZE); + + return pmd; +} +#endif diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index 541a2bf331c..57047121808 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -446,3 +446,11 @@ unsigned long get_wchan(struct task_struct *p) return 0; } + +int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu) +{ + int cpu = current_thread_info()->cpu; + + return save_fp_registers(userspace_pid[cpu], (unsigned long *) fpu); +} + diff --git a/arch/um/kernel/skas/uaccess.c b/arch/um/kernel/skas/uaccess.c index 302425b03d4..d145565b5f4 100644 --- a/arch/um/kernel/skas/uaccess.c +++ b/arch/um/kernel/skas/uaccess.c @@ -3,12 +3,13 @@ * Licensed under the GPL */ -#include "linux/err.h" -#include "linux/highmem.h" -#include "linux/mm.h" -#include "asm/current.h" -#include "asm/page.h" -#include "asm/pgtable.h" +#include <linux/err.h> +#include <linux/highmem.h> +#include <linux/mm.h> +#include <linux/sched.h> +#include <asm/current.h> +#include <asm/page.h> +#include <asm/pgtable.h> #include "kern_util.h" #include "os.h" diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c index f4a0e407eee..96e097879f5 100644 --- a/arch/um/kernel/tlb.c +++ b/arch/um/kernel/tlb.c @@ -3,9 +3,10 @@ * Licensed under the GPL */ -#include "linux/mm.h" -#include "asm/pgtable.h" -#include "asm/tlbflush.h" +#include <linux/mm.h> +#include <linux/sched.h> +#include <asm/pgtable.h> +#include <asm/tlbflush.h> #include "as-layout.h" #include "mem_user.h" #include "os.h" |