summaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/include/asm/mmu.h1
-rw-r--r--arch/arm/mm/dma-mapping.c28
-rw-r--r--arch/blackfin/include/asm/mmu.h1
-rw-r--r--arch/blackfin/kernel/ptrace.c6
-rw-r--r--arch/blackfin/kernel/traps.c11
-rw-r--r--arch/frv/kernel/ptrace.c11
-rw-r--r--arch/h8300/include/asm/mmu.h1
-rw-r--r--arch/m68knommu/include/asm/mmu.h1
-rw-r--r--arch/sh/include/asm/mmu.h1
9 files changed, 29 insertions, 32 deletions
diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h
index 53099d4ee421..b561584d04a1 100644
--- a/arch/arm/include/asm/mmu.h
+++ b/arch/arm/include/asm/mmu.h
@@ -24,7 +24,6 @@ typedef struct {
* modified for 2.6 by Hyok S. Choi <hyok.choi@samsung.com>
*/
typedef struct {
- struct vm_list_struct *vmlist;
unsigned long end_brk;
} mm_context_t;
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 67960017dc8f..310e479309ef 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -71,7 +71,7 @@ static DEFINE_SPINLOCK(consistent_lock);
* the amount of RAM found at boot time.) I would imagine that get_vm_area()
* would have to initialise this each time prior to calling vm_region_alloc().
*/
-struct vm_region {
+struct arm_vm_region {
struct list_head vm_list;
unsigned long vm_start;
unsigned long vm_end;
@@ -79,20 +79,20 @@ struct vm_region {
int vm_active;
};
-static struct vm_region consistent_head = {
+static struct arm_vm_region consistent_head = {
.vm_list = LIST_HEAD_INIT(consistent_head.vm_list),
.vm_start = CONSISTENT_BASE,
.vm_end = CONSISTENT_END,
};
-static struct vm_region *
-vm_region_alloc(struct vm_region *head, size_t size, gfp_t gfp)
+static struct arm_vm_region *
+arm_vm_region_alloc(struct arm_vm_region *head, size_t size, gfp_t gfp)
{
unsigned long addr = head->vm_start, end = head->vm_end - size;
unsigned long flags;
- struct vm_region *c, *new;
+ struct arm_vm_region *c, *new;
- new = kmalloc(sizeof(struct vm_region), gfp);
+ new = kmalloc(sizeof(struct arm_vm_region), gfp);
if (!new)
goto out;
@@ -127,9 +127,9 @@ vm_region_alloc(struct vm_region *head, size_t size, gfp_t gfp)
return NULL;
}
-static struct vm_region *vm_region_find(struct vm_region *head, unsigned long addr)
+static struct arm_vm_region *arm_vm_region_find(struct arm_vm_region *head, unsigned long addr)
{
- struct vm_region *c;
+ struct arm_vm_region *c;
list_for_each_entry(c, &head->vm_list, vm_list) {
if (c->vm_active && c->vm_start == addr)
@@ -149,7 +149,7 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp,
pgprot_t prot)
{
struct page *page;
- struct vm_region *c;
+ struct arm_vm_region *c;
unsigned long order;
u64 mask = ISA_DMA_THRESHOLD, limit;
@@ -214,7 +214,7 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp,
/*
* Allocate a virtual address in the consistent mapping region.
*/
- c = vm_region_alloc(&consistent_head, size,
+ c = arm_vm_region_alloc(&consistent_head, size,
gfp & ~(__GFP_DMA | __GFP_HIGHMEM));
if (c) {
pte_t *pte;
@@ -311,13 +311,13 @@ static int dma_mmap(struct device *dev, struct vm_area_struct *vma,
void *cpu_addr, dma_addr_t dma_addr, size_t size)
{
unsigned long flags, user_size, kern_size;
- struct vm_region *c;
+ struct arm_vm_region *c;
int ret = -ENXIO;
user_size = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
spin_lock_irqsave(&consistent_lock, flags);
- c = vm_region_find(&consistent_head, (unsigned long)cpu_addr);
+ c = arm_vm_region_find(&consistent_head, (unsigned long)cpu_addr);
spin_unlock_irqrestore(&consistent_lock, flags);
if (c) {
@@ -359,7 +359,7 @@ EXPORT_SYMBOL(dma_mmap_writecombine);
*/
void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, dma_addr_t handle)
{
- struct vm_region *c;
+ struct arm_vm_region *c;
unsigned long flags, addr;
pte_t *ptep;
int idx;
@@ -378,7 +378,7 @@ void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, dma_addr
size = PAGE_ALIGN(size);
spin_lock_irqsave(&consistent_lock, flags);
- c = vm_region_find(&consistent_head, (unsigned long)cpu_addr);
+ c = arm_vm_region_find(&consistent_head, (unsigned long)cpu_addr);
if (!c)
goto no_area;
diff --git a/arch/blackfin/include/asm/mmu.h b/arch/blackfin/include/asm/mmu.h
index 757e43906ed4..dbfd686360e6 100644
--- a/arch/blackfin/include/asm/mmu.h
+++ b/arch/blackfin/include/asm/mmu.h
@@ -10,7 +10,6 @@ struct sram_list_struct {
};
typedef struct {
- struct vm_list_struct *vmlist;
unsigned long end_brk;
unsigned long stack_start;
diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c
index d2d388536630..594e325b40e4 100644
--- a/arch/blackfin/kernel/ptrace.c
+++ b/arch/blackfin/kernel/ptrace.c
@@ -160,15 +160,15 @@ put_reg(struct task_struct *task, int regno, unsigned long data)
static inline int is_user_addr_valid(struct task_struct *child,
unsigned long start, unsigned long len)
{
- struct vm_list_struct *vml;
+ struct vm_area_struct *vma;
struct sram_list_struct *sraml;
/* overflow */
if (start + len < start)
return -EIO;
- for (vml = child->mm->context.vmlist; vml; vml = vml->next)
- if (start >= vml->vma->vm_start && start + len < vml->vma->vm_end)
+ vma = find_vma(child->mm, start);
+ if (vma && start >= vma->vm_start && start + len <= vma->vm_end)
return 0;
for (sraml = child->mm->context.sram_list; sraml; sraml = sraml->next)
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 17d8e4172896..5b0667da8d05 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -32,6 +32,7 @@
#include <linux/module.h>
#include <linux/kallsyms.h>
#include <linux/fs.h>
+#include <linux/rbtree.h>
#include <asm/traps.h>
#include <asm/cacheflush.h>
#include <asm/cplb.h>
@@ -83,6 +84,7 @@ static void decode_address(char *buf, unsigned long address)
struct mm_struct *mm;
unsigned long flags, offset;
unsigned char in_atomic = (bfin_read_IPEND() & 0x10) || in_atomic();
+ struct rb_node *n;
#ifdef CONFIG_KALLSYMS
unsigned long symsize;
@@ -128,9 +130,10 @@ static void decode_address(char *buf, unsigned long address)
if (!mm)
continue;
- vml = mm->context.vmlist;
- while (vml) {
- struct vm_area_struct *vma = vml->vma;
+ for (n = rb_first(&mm->mm_rb); n; n = rb_next(n)) {
+ struct vm_area_struct *vma;
+
+ vma = rb_entry(n, struct vm_area_struct, vm_rb);
if (address >= vma->vm_start && address < vma->vm_end) {
char _tmpbuf[256];
@@ -176,8 +179,6 @@ static void decode_address(char *buf, unsigned long address)
goto done;
}
-
- vml = vml->next;
}
if (!in_atomic)
mmput(mm);
diff --git a/arch/frv/kernel/ptrace.c b/arch/frv/kernel/ptrace.c
index 709e9bdc6126..5e7d401d21e7 100644
--- a/arch/frv/kernel/ptrace.c
+++ b/arch/frv/kernel/ptrace.c
@@ -69,7 +69,8 @@ static inline int put_reg(struct task_struct *task, int regno,
}
/*
- * check that an address falls within the bounds of the target process's memory mappings
+ * check that an address falls within the bounds of the target process's memory
+ * mappings
*/
static inline int is_user_addr_valid(struct task_struct *child,
unsigned long start, unsigned long len)
@@ -79,11 +80,11 @@ static inline int is_user_addr_valid(struct task_struct *child,
return -EIO;
return 0;
#else
- struct vm_list_struct *vml;
+ struct vm_area_struct *vma;
- for (vml = child->mm->context.vmlist; vml; vml = vml->next)
- if (start >= vml->vma->vm_start && start + len <= vml->vma->vm_end)
- return 0;
+ vma = find_vma(child->mm, start);
+ if (vma && start >= vma->vm_start && start + len <= vma->vm_end)
+ return 0;
return -EIO;
#endif
diff --git a/arch/h8300/include/asm/mmu.h b/arch/h8300/include/asm/mmu.h
index 2ce06ea46104..31309969df70 100644
--- a/arch/h8300/include/asm/mmu.h
+++ b/arch/h8300/include/asm/mmu.h
@@ -4,7 +4,6 @@
/* Copyright (C) 2002, David McCullough <davidm@snapgear.com> */
typedef struct {
- struct vm_list_struct *vmlist;
unsigned long end_brk;
} mm_context_t;
diff --git a/arch/m68knommu/include/asm/mmu.h b/arch/m68knommu/include/asm/mmu.h
index 5fa6b68353ba..e2da1e6f09fe 100644
--- a/arch/m68knommu/include/asm/mmu.h
+++ b/arch/m68knommu/include/asm/mmu.h
@@ -4,7 +4,6 @@
/* Copyright (C) 2002, David McCullough <davidm@snapgear.com> */
typedef struct {
- struct vm_list_struct *vmlist;
unsigned long end_brk;
} mm_context_t;
diff --git a/arch/sh/include/asm/mmu.h b/arch/sh/include/asm/mmu.h
index fdcb93bc6d11..6c43625bb1a5 100644
--- a/arch/sh/include/asm/mmu.h
+++ b/arch/sh/include/asm/mmu.h
@@ -9,7 +9,6 @@ typedef struct {
mm_context_id_t id;
void *vdso;
#else
- struct vm_list_struct *vmlist;
unsigned long end_brk;
#endif
#ifdef CONFIG_BINFMT_ELF_FDPIC
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 23:12:48 +0000