summaryrefslogtreecommitdiff
path: root/arch/sh
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/boards/board-espt.c2
-rw-r--r--arch/sh/boards/mach-ap325rxa/setup.c6
-rw-r--r--arch/sh/boards/mach-ecovec24/setup.c6
-rw-r--r--arch/sh/boards/mach-kfr2r09/lcd_wqvga.c16
-rw-r--r--arch/sh/boards/mach-kfr2r09/setup.c7
-rw-r--r--arch/sh/configs/ecovec24_defconfig2
-rw-r--r--arch/sh/configs/se7724_defconfig2
-rw-r--r--arch/sh/drivers/pci/pci.c2
-rw-r--r--arch/sh/include/asm/Kbuild1
-rw-r--r--arch/sh/include/asm/dma-mapping.h1
-rw-r--r--arch/sh/include/asm/io.h2
-rw-r--r--arch/sh/include/mach-kfr2r09/mach/kfr2r09.h6
-rw-r--r--arch/sh/include/uapi/asm/ioctls.h3
-rw-r--r--arch/sh/kernel/cpu/sh3/setup-sh7720.c6
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7757.c6
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7763.c6
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7786.c6
-rw-r--r--arch/sh/mm/Kconfig1
-rw-r--r--arch/sh/mm/fault.c19
-rw-r--r--arch/sh/mm/mmap.c139
20 files changed, 71 insertions, 168 deletions
diff --git a/arch/sh/boards/board-espt.c b/arch/sh/boards/board-espt.c
index 6cba0a7068b..d71a0bcf814 100644
--- a/arch/sh/boards/board-espt.c
+++ b/arch/sh/boards/board-espt.c
@@ -1,5 +1,5 @@
/*
- * Data Technology Inc. ESPT-GIGA board suport
+ * Data Technology Inc. ESPT-GIGA board support
*
* Copyright (C) 2008, 2009 Renesas Solutions Corp.
* Copyright (C) 2008, 2009 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
diff --git a/arch/sh/boards/mach-ap325rxa/setup.c b/arch/sh/boards/mach-ap325rxa/setup.c
index 9e963c1d144..5620e33c18a 100644
--- a/arch/sh/boards/mach-ap325rxa/setup.c
+++ b/arch/sh/boards/mach-ap325rxa/setup.c
@@ -179,11 +179,6 @@ static int ap320_wvga_set_brightness(int brightness)
return 0;
}
-static int ap320_wvga_get_brightness(void)
-{
- return gpio_get_value(GPIO_PTS3);
-}
-
static void ap320_wvga_power_on(void)
{
msleep(100);
@@ -232,7 +227,6 @@ static struct sh_mobile_lcdc_info lcdc_info = {
.name = "sh_mobile_lcdc_bl",
.max_brightness = 1,
.set_brightness = ap320_wvga_set_brightness,
- .get_brightness = ap320_wvga_get_brightness,
},
}
};
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 64559e8af14..3fede4556c9 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -329,11 +329,6 @@ static int ecovec24_set_brightness(int brightness)
return 0;
}
-static int ecovec24_get_brightness(void)
-{
- return gpio_get_value(GPIO_PTR1);
-}
-
static struct sh_mobile_lcdc_info lcdc_info = {
.ch[0] = {
.interface_type = RGB18,
@@ -347,7 +342,6 @@ static struct sh_mobile_lcdc_info lcdc_info = {
.name = "sh_mobile_lcdc_bl",
.max_brightness = 1,
.set_brightness = ecovec24_set_brightness,
- .get_brightness = ecovec24_get_brightness,
},
}
};
diff --git a/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c b/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c
index c148b36ecb6..c6205033262 100644
--- a/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c
+++ b/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c
@@ -283,7 +283,7 @@ void kfr2r09_lcd_start(void *sohandle, struct sh_mobile_lcdc_sys_bus_ops *so)
#define MAIN_MLED4 0x40
#define MAIN_MSW 0x80
-static int kfr2r09_lcd_backlight(int on)
+int kfr2r09_lcd_set_brightness(int brightness)
{
struct i2c_adapter *a;
struct i2c_msg msg;
@@ -295,7 +295,7 @@ static int kfr2r09_lcd_backlight(int on)
return -ENODEV;
buf[0] = 0x00;
- if (on)
+ if (brightness)
buf[1] = CTRL_CPSW | CTRL_C10 | CTRL_CKSW;
else
buf[1] = 0;
@@ -309,7 +309,7 @@ static int kfr2r09_lcd_backlight(int on)
return -ENODEV;
buf[0] = 0x01;
- if (on)
+ if (brightness)
buf[1] = MAIN_MSW | MAIN_MLED4 | 0x0c;
else
buf[1] = 0;
@@ -324,13 +324,3 @@ static int kfr2r09_lcd_backlight(int on)
return 0;
}
-
-void kfr2r09_lcd_on(void)
-{
- kfr2r09_lcd_backlight(1);
-}
-
-void kfr2r09_lcd_off(void)
-{
- kfr2r09_lcd_backlight(0);
-}
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index f2a4304fbe2..ab502f12ef5 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -158,8 +158,11 @@ static struct sh_mobile_lcdc_info kfr2r09_sh_lcdc_info = {
.height = 58,
.setup_sys = kfr2r09_lcd_setup,
.start_transfer = kfr2r09_lcd_start,
- .display_on = kfr2r09_lcd_on,
- .display_off = kfr2r09_lcd_off,
+ },
+ .bl_info = {
+ .name = "sh_mobile_lcdc_bl",
+ .max_brightness = 1,
+ .set_brightness = kfr2r09_lcd_set_brightness,
},
.sys_bus_cfg = {
.ldmt2r = 0x07010904,
diff --git a/arch/sh/configs/ecovec24_defconfig b/arch/sh/configs/ecovec24_defconfig
index 911e30c9abf..c6c2becdc8a 100644
--- a/arch/sh/configs/ecovec24_defconfig
+++ b/arch/sh/configs/ecovec24_defconfig
@@ -112,7 +112,7 @@ CONFIG_USB_MON=y
CONFIG_USB_R8A66597_HCD=y
CONFIG_USB_STORAGE=y
CONFIG_USB_GADGET=y
-CONFIG_USB_FILE_STORAGE=m
+CONFIG_USB_MASS_STORAGE=m
CONFIG_MMC=y
CONFIG_MMC_SPI=y
CONFIG_MMC_SDHI=y
diff --git a/arch/sh/configs/se7724_defconfig b/arch/sh/configs/se7724_defconfig
index ed35093e375..1faa788aeca 100644
--- a/arch/sh/configs/se7724_defconfig
+++ b/arch/sh/configs/se7724_defconfig
@@ -109,7 +109,7 @@ CONFIG_USB_STORAGE=y
CONFIG_USB_GADGET=y
CONFIG_USB_ETH=m
CONFIG_USB_GADGETFS=m
-CONFIG_USB_FILE_STORAGE=m
+CONFIG_USB_MASS_STORAGE=m
CONFIG_USB_G_SERIAL=m
CONFIG_MMC=y
CONFIG_MMC_SPI=y
diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index a7e078f2e2e..81e5dafed3e 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -319,7 +319,5 @@ EXPORT_SYMBOL(pci_iounmap);
#endif /* CONFIG_GENERIC_IOMAP */
-#ifdef CONFIG_HOTPLUG
EXPORT_SYMBOL(PCIBIOS_MIN_IO);
EXPORT_SYMBOL(PCIBIOS_MIN_MEM);
-#endif
diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild
index 29f83beeef7..280bea9e5e2 100644
--- a/arch/sh/include/asm/Kbuild
+++ b/arch/sh/include/asm/Kbuild
@@ -31,5 +31,6 @@ generic-y += socket.h
generic-y += statfs.h
generic-y += termbits.h
generic-y += termios.h
+generic-y += trace_clock.h
generic-y += ucontext.h
generic-y += xor.h
diff --git a/arch/sh/include/asm/dma-mapping.h b/arch/sh/include/asm/dma-mapping.h
index 8bd965e00a1..b437f2c780b 100644
--- a/arch/sh/include/asm/dma-mapping.h
+++ b/arch/sh/include/asm/dma-mapping.h
@@ -46,6 +46,7 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
{
struct dma_map_ops *ops = get_dma_ops(dev);
+ debug_dma_mapping_error(dev, dma_addr);
if (ops->mapping_error)
return ops->mapping_error(dev, dma_addr);
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index 73a23f4617a..629db2ad791 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -382,7 +382,7 @@ static inline int iounmap_fixed(void __iomem *addr) { return -EINVAL; }
#define xlate_dev_kmem_ptr(p) p
#define ARCH_HAS_VALID_PHYS_ADDR_RANGE
-int valid_phys_addr_range(unsigned long addr, size_t size);
+int valid_phys_addr_range(phys_addr_t addr, size_t size);
int valid_mmap_phys_addr_range(unsigned long pfn, size_t size);
#endif /* __KERNEL__ */
diff --git a/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h b/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h
index ba3d93d333f..c20c9e5f5ea 100644
--- a/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h
+++ b/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h
@@ -4,15 +4,13 @@
#include <video/sh_mobile_lcdc.h>
#if defined(CONFIG_FB_SH_MOBILE_LCDC) || defined(CONFIG_FB_SH_MOBILE_LCDC_MODULE)
-void kfr2r09_lcd_on(void);
-void kfr2r09_lcd_off(void);
+int kfr2r09_lcd_set_brightness(int brightness);
int kfr2r09_lcd_setup(void *sys_ops_handle,
struct sh_mobile_lcdc_sys_bus_ops *sys_ops);
void kfr2r09_lcd_start(void *sys_ops_handle,
struct sh_mobile_lcdc_sys_bus_ops *sys_ops);
#else
-static void kfr2r09_lcd_on(void) {}
-static void kfr2r09_lcd_off(void) {}
+static int kfr2r09_lcd_set_brightness(int brightness) {}
static int kfr2r09_lcd_setup(void *sys_ops_handle,
struct sh_mobile_lcdc_sys_bus_ops *sys_ops)
{
diff --git a/arch/sh/include/uapi/asm/ioctls.h b/arch/sh/include/uapi/asm/ioctls.h
index a6769f352bf..34224107976 100644
--- a/arch/sh/include/uapi/asm/ioctls.h
+++ b/arch/sh/include/uapi/asm/ioctls.h
@@ -88,6 +88,9 @@
#define TIOCGDEV _IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */
#define TIOCSIG _IOW('T',0x36, int) /* Generate signal on Pty slave */
#define TIOCVHANGUP _IO('T', 0x37)
+#define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */
+#define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */
+#define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */
#define TIOCSERCONFIG _IO('T', 83) /* 0x5453 */
#define TIOCSERGWILD _IOR('T', 84, int) /* 0x5454 */
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7720.c b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
index 0c2f1b2c2e1..42d991f632b 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7720.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
@@ -20,6 +20,7 @@
#include <linux/serial_sci.h>
#include <linux/sh_timer.h>
#include <linux/sh_intc.h>
+#include <linux/usb/ohci_pdriver.h>
#include <asm/rtc.h>
#include <cpu/serial.h>
@@ -103,12 +104,15 @@ static struct resource usb_ohci_resources[] = {
static u64 usb_ohci_dma_mask = 0xffffffffUL;
+static struct usb_ohci_pdata usb_ohci_pdata;
+
static struct platform_device usb_ohci_device = {
- .name = "sh_ohci",
+ .name = "ohci-platform",
.id = -1,
.dev = {
.dma_mask = &usb_ohci_dma_mask,
.coherent_dma_mask = 0xffffffff,
+ .platform_data = &usb_ohci_pdata,
},
.num_resources = ARRAY_SIZE(usb_ohci_resources),
.resource = usb_ohci_resources,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
index 4a2f357f4df..9079a0f9ea9 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
@@ -19,6 +19,7 @@
#include <linux/sh_timer.h>
#include <linux/sh_dma.h>
#include <linux/sh_intc.h>
+#include <linux/usb/ohci_pdriver.h>
#include <cpu/dma-register.h>
#include <cpu/sh7757.h>
@@ -750,12 +751,15 @@ static struct resource usb_ohci_resources[] = {
},
};
+static struct usb_ohci_pdata usb_ohci_pdata;
+
static struct platform_device usb_ohci_device = {
- .name = "sh_ohci",
+ .name = "ohci-platform",
.id = -1,
.dev = {
.dma_mask = &usb_ohci_device.dev.coherent_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &usb_ohci_pdata,
},
.num_resources = ARRAY_SIZE(usb_ohci_resources),
.resource = usb_ohci_resources,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c
index bd0a8fbe610..1686acaaf45 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c
@@ -16,6 +16,7 @@
#include <linux/sh_intc.h>
#include <linux/io.h>
#include <linux/serial_sci.h>
+#include <linux/usb/ohci_pdriver.h>
static struct plat_sci_port scif0_platform_data = {
.mapbase = 0xffe00000,
@@ -106,12 +107,15 @@ static struct resource usb_ohci_resources[] = {
static u64 usb_ohci_dma_mask = 0xffffffffUL;
+static struct usb_ohci_pdata usb_ohci_pdata;
+
static struct platform_device usb_ohci_device = {
- .name = "sh_ohci",
+ .name = "ohci-platform",
.id = -1,
.dev = {
.dma_mask = &usb_ohci_dma_mask,
.coherent_dma_mask = 0xffffffff,
+ .platform_data = &usb_ohci_pdata,
},
.num_resources = ARRAY_SIZE(usb_ohci_resources),
.resource = usb_ohci_resources,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c
index 2e6952f8784..ab52d4d4484 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c
@@ -23,6 +23,7 @@
#include <linux/sh_timer.h>
#include <linux/sh_dma.h>
#include <linux/sh_intc.h>
+#include <linux/usb/ohci_pdriver.h>
#include <cpu/dma-register.h>
#include <asm/mmzone.h>
@@ -583,12 +584,15 @@ static struct resource usb_ohci_resources[] = {
},
};
+static struct usb_ohci_pdata usb_ohci_pdata;
+
static struct platform_device usb_ohci_device = {
- .name = "sh_ohci",
+ .name = "ohci-platform",
.id = -1,
.dev = {
.dma_mask = &usb_ohci_device.dev.coherent_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &usb_ohci_pdata,
},
.num_resources = ARRAY_SIZE(usb_ohci_resources),
.resource = usb_ohci_resources,
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index cb8f9920f4d..0f7c852f355 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -111,6 +111,7 @@ config VSYSCALL
config NUMA
bool "Non Uniform Memory Access (NUMA) Support"
depends on MMU && SYS_SUPPORTS_NUMA && EXPERIMENTAL
+ select ARCH_WANT_NUMA_VARIABLE_LOCALITY
default n
help
Some SH systems have many various memories scattered around
diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c
index cbbdcad8fcb..1f49c28affa 100644
--- a/arch/sh/mm/fault.c
+++ b/arch/sh/mm/fault.c
@@ -301,17 +301,6 @@ bad_area_access_error(struct pt_regs *regs, unsigned long error_code,
__bad_area(regs, error_code, address, SEGV_ACCERR);
}
-static void out_of_memory(void)
-{
- /*
- * We ran out of memory, call the OOM killer, and return the userspace
- * (which will retry the fault, or kill us if we got oom-killed):
- */
- up_read(&current->mm->mmap_sem);
-
- pagefault_out_of_memory();
-}
-
static void
do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address)
{
@@ -353,8 +342,14 @@ mm_fault_error(struct pt_regs *regs, unsigned long error_code,
no_context(regs, error_code, address);
return 1;
}
+ up_read(&current->mm->mmap_sem);
- out_of_memory();
+ /*
+ * We ran out of memory, call the OOM killer, and return the
+ * userspace (which will retry the fault, or kill us if we got
+ * oom-killed):
+ */
+ pagefault_out_of_memory();
} else {
if (fault & VM_FAULT_SIGBUS)
do_sigbus(regs, error_code, address);
diff --git a/arch/sh/mm/mmap.c b/arch/sh/mm/mmap.c
index afeb710ec5c..6777177807c 100644
--- a/arch/sh/mm/mmap.c
+++ b/arch/sh/mm/mmap.c
@@ -30,25 +30,13 @@ static inline unsigned long COLOUR_ALIGN(unsigned long addr,
return base + off;
}
-static inline unsigned long COLOUR_ALIGN_DOWN(unsigned long addr,
- unsigned long pgoff)
-{
- unsigned long base = addr & ~shm_align_mask;
- unsigned long off = (pgoff << PAGE_SHIFT) & shm_align_mask;
-
- if (base + off <= addr)
- return base + off;
-
- return base - off;
-}
-
unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
unsigned long len, unsigned long pgoff, unsigned long flags)
{
struct mm_struct *mm = current->mm;
struct vm_area_struct *vma;
- unsigned long start_addr;
int do_colour_align;
+ struct vm_unmapped_area_info info;
if (flags & MAP_FIXED) {
/* We do not accept a shared mapping if it would violate
@@ -79,47 +67,13 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
return addr;
}
- if (len > mm->cached_hole_size) {
- start_addr = addr = mm->free_area_cache;
- } else {
- mm->cached_hole_size = 0;
- start_addr = addr = TASK_UNMAPPED_BASE;
- }
-
-full_search:
- if (do_colour_align)
- addr = COLOUR_ALIGN(addr, pgoff);
- else
- addr = PAGE_ALIGN(mm->free_area_cache);
-
- for (vma = find_vma(mm, addr); ; vma = vma->vm_next) {
- /* At this point: (!vma || addr < vma->vm_end). */
- if (unlikely(TASK_SIZE - len < addr)) {
- /*
- * Start a new search - just in case we missed
- * some holes.
- */
- if (start_addr != TASK_UNMAPPED_BASE) {
- start_addr = addr = TASK_UNMAPPED_BASE;
- mm->cached_hole_size = 0;
- goto full_search;
- }
- return -ENOMEM;
- }
- if (likely(!vma || addr + len <= vma->vm_start)) {
- /*
- * Remember the place where we stopped the search:
- */
- mm->free_area_cache = addr + len;
- return addr;
- }
- if (addr + mm->cached_hole_size < vma->vm_start)
- mm->cached_hole_size = vma->vm_start - addr;
-
- addr = vma->vm_end;
- if (do_colour_align)
- addr = COLOUR_ALIGN(addr, pgoff);
- }
+ info.flags = 0;
+ info.length = len;
+ info.low_limit = TASK_UNMAPPED_BASE;
+ info.high_limit = TASK_SIZE;
+ info.align_mask = do_colour_align ? (PAGE_MASK & shm_align_mask) : 0;
+ info.align_offset = pgoff << PAGE_SHIFT;
+ return vm_unmapped_area(&info);
}
unsigned long
@@ -131,6 +85,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
struct mm_struct *mm = current->mm;
unsigned long addr = addr0;
int do_colour_align;
+ struct vm_unmapped_area_info info;
if (flags & MAP_FIXED) {
/* We do not accept a shared mapping if it would violate
@@ -162,73 +117,27 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
return addr;
}
- /* check if free_area_cache is useful for us */
- if (len <= mm->cached_hole_size) {
- mm->cached_hole_size = 0;
- mm->free_area_cache = mm->mmap_base;
- }
-
- /* either no address requested or can't fit in requested address hole */
- addr = mm->free_area_cache;
- if (do_colour_align) {
- unsigned long base = COLOUR_ALIGN_DOWN(addr-len, pgoff);
+ info.flags = VM_UNMAPPED_AREA_TOPDOWN;
+ info.length = len;
+ info.low_limit = PAGE_SIZE;
+ info.high_limit = mm->mmap_base;
+ info.align_mask = do_colour_align ? (PAGE_MASK & shm_align_mask) : 0;
+ info.align_offset = pgoff << PAGE_SHIFT;
+ addr = vm_unmapped_area(&info);
- addr = base + len;
- }
-
- /* make sure it can fit in the remaining address space */
- if (likely(addr > len)) {
- vma = find_vma(mm, addr-len);
- if (!vma || addr <= vma->vm_start) {
- /* remember the address as a hint for next time */
- return (mm->free_area_cache = addr-len);
- }
- }
-
- if (unlikely(mm->mmap_base < len))
- goto bottomup;
-
- addr = mm->mmap_base-len;
- if (do_colour_align)
- addr = COLOUR_ALIGN_DOWN(addr, pgoff);
-
- do {
- /*
- * Lookup failure means no vma is above this address,
- * else if new region fits below vma->vm_start,
- * return with success:
- */
- vma = find_vma(mm, addr);
- if (likely(!vma || addr+len <= vma->vm_start)) {
- /* remember the address as a hint for next time */
- return (mm->free_area_cache = addr);
- }
-
- /* remember the largest hole we saw so far */
- if (addr + mm->cached_hole_size < vma->vm_start)
- mm->cached_hole_size = vma->vm_start - addr;
-
- /* try just below the current vma->vm_start */
- addr = vma->vm_start-len;
- if (do_colour_align)
- addr = COLOUR_ALIGN_DOWN(addr, pgoff);
- } while (likely(len < vma->vm_start));
-
-bottomup:
/*
* A failed mmap() very likely causes application failure,
* so fall back to the bottom-up function here. This scenario
* can happen with large stack limits and large mmap()
* allocations.
*/
- mm->cached_hole_size = ~0UL;
- mm->free_area_cache = TASK_UNMAPPED_BASE;
- addr = arch_get_unmapped_area(filp, addr0, len, pgoff, flags);
- /*
- * Restore the topdown base:
- */
- mm->free_area_cache = mm->mmap_base;
- mm->cached_hole_size = ~0UL;
+ if (addr & ~PAGE_MASK) {
+ VM_BUG_ON(addr != -ENOMEM);
+ info.flags = 0;
+ info.low_limit = TASK_UNMAPPED_BASE;
+ info.high_limit = TASK_SIZE;
+ addr = vm_unmapped_area(&info);
+ }
return addr;
}
@@ -238,7 +147,7 @@ bottomup:
* You really shouldn't be using read() or write() on /dev/mem. This
* might go away in the future.
*/
-int valid_phys_addr_range(unsigned long addr, size_t count)
+int valid_phys_addr_range(phys_addr_t addr, size_t count)
{
if (addr < __MEMORY_START)
return 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-17 23:12:59 +0000