diff --git a/drivers/staging/agnx/agnx.h b/drivers/staging/agnx/agnx.h index a75b0db3726c2cbbddccfe3942badeabc23a70f5..20f36da62475aacb34d0dfbf5913b3b237562535 100644 --- a/drivers/staging/agnx/agnx.h +++ b/drivers/staging/agnx/agnx.h @@ -1,6 +1,8 @@ #ifndef AGNX_H_ #define AGNX_H_ +#include + #include "xmit.h" #define PFX KBUILD_MODNAME ": " diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c index 6a4ceacb33f52de341fc75bbd28b6ddb18145e04..758131cad08a3e36e374a497f3f83d4f5dc08547 100644 --- a/drivers/staging/android/binder.c +++ b/drivers/staging/android/binder.c @@ -319,6 +319,7 @@ int task_get_unused_fd_flags(struct task_struct *tsk, int flags) int fd, error; struct fdtable *fdt; unsigned long rlim_cur; + unsigned long irqs; if (files == NULL) return -ESRCH; @@ -335,12 +336,11 @@ int task_get_unused_fd_flags(struct task_struct *tsk, int flags) * N.B. For clone tasks sharing a files structure, this test * will limit the total number of files that can be opened. */ - rcu_read_lock(); - if (tsk->signal) + rlim_cur = 0; + if (lock_task_sighand(tsk, &irqs)) { rlim_cur = tsk->signal->rlim[RLIMIT_NOFILE].rlim_cur; - else - rlim_cur = 0; - rcu_read_unlock(); + unlock_task_sighand(tsk, &irqs); + } if (fd >= rlim_cur) goto out; @@ -2649,14 +2649,14 @@ static void binder_vma_open(struct vm_area_struct *vma) { struct binder_proc *proc = vma->vm_private_data; if (binder_debug_mask & BINDER_DEBUG_OPEN_CLOSE) - printk(KERN_INFO "binder: %d open vm area %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, vma->vm_page_prot.pgprot); + printk(KERN_INFO "binder: %d open vm area %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, pgprot_val(vma->vm_page_prot)); dump_stack(); } static void binder_vma_close(struct vm_area_struct *vma) { struct binder_proc *proc = vma->vm_private_data; if (binder_debug_mask & BINDER_DEBUG_OPEN_CLOSE) - printk(KERN_INFO "binder: %d close vm area %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, vma->vm_page_prot.pgprot); + printk(KERN_INFO "binder: %d close vm area %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, pgprot_val(vma->vm_page_prot)); proc->vma = NULL; } @@ -2677,7 +2677,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma) vma->vm_end = vma->vm_start + SZ_4M; if (binder_debug_mask & BINDER_DEBUG_OPEN_CLOSE) - printk(KERN_INFO "binder_mmap: %d %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, vma->vm_page_prot.pgprot); + printk(KERN_INFO "binder_mmap: %d %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, pgprot_val(vma->vm_page_prot)); if (vma->vm_flags & FORBIDDEN_MMAP_FLAGS) { ret = -EPERM; diff --git a/drivers/staging/android/lowmemorykiller.txt b/drivers/staging/android/lowmemorykiller.txt new file mode 100644 index 0000000000000000000000000000000000000000..bd5c0c02896836ce0fad9f7c9f7f290e3a7ca9c2 --- /dev/null +++ b/drivers/staging/android/lowmemorykiller.txt @@ -0,0 +1,16 @@ +The lowmemorykiller driver lets user-space specify a set of memory thresholds +where processes with a range of oom_adj values will get killed. Specify the +minimum oom_adj values in /sys/module/lowmemorykiller/parameters/adj and the +number of free pages in /sys/module/lowmemorykiller/parameters/minfree. Both +files take a comma separated list of numbers in ascending order. + +For example, write "0,8" to /sys/module/lowmemorykiller/parameters/adj and +"1024,4096" to /sys/module/lowmemorykiller/parameters/minfree to kill processes +with a oom_adj value of 8 or higher when the free memory drops below 4096 pages +and kill processes with a oom_adj value of 0 or higher when the free memory +drops below 1024 pages. + +The driver considers memory used for caches to be free, but if a large +percentage of the cached memory is locked this can be very inaccurate +and processes may not get killed until the normal oom killer is triggered. + diff --git a/drivers/staging/android/timed_gpio.c b/drivers/staging/android/timed_gpio.c index bea68c9fc942ec4f63281f19bc72081671ab79da..903270cbbe0201d28df7cfe1ba0038249c494b21 100644 --- a/drivers/staging/android/timed_gpio.c +++ b/drivers/staging/android/timed_gpio.c @@ -18,7 +18,7 @@ #include #include #include -#include +#include #include "timed_gpio.h" @@ -49,7 +49,8 @@ static ssize_t gpio_enable_show(struct device *dev, struct device_attribute *att if (hrtimer_active(&gpio_data->timer)) { ktime_t r = hrtimer_get_remaining(&gpio_data->timer); - remaining = r.tv.sec * 1000 + r.tv.nsec / 1000000; + struct timeval t = ktime_to_timeval(r); + remaining = t.tv_sec * 1000 + t.tv_usec; } else remaining = 0; diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig index b501bfb9c7548139b7de560a93d9497a3cfa8a90..b47ca1e7e383325ef24adbc8d408e116180704af 100644 --- a/drivers/staging/comedi/Kconfig +++ b/drivers/staging/comedi/Kconfig @@ -1,6 +1,7 @@ config COMEDI tristate "Data Acquision support (comedi)" default N + depends on m ---help--- Enable support a wide range of data acquision devices for Linux. diff --git a/drivers/staging/meilhaus/Kconfig b/drivers/staging/meilhaus/Kconfig index 6def83fa2c9666746b50c77d414a62638b800667..923af22a4686158a823bb6665125f2a7607e48d4 100644 --- a/drivers/staging/meilhaus/Kconfig +++ b/drivers/staging/meilhaus/Kconfig @@ -4,6 +4,7 @@ menuconfig MEILHAUS tristate "Meilhaus support" + depends on m ---help--- If you have a Meilhaus card, say Y (or M) here. @@ -18,7 +19,7 @@ if MEILHAUS config ME0600 tristate "Meilhaus ME-600 support" default n - depends on PCI + depends on PCI && m help This driver supports the Meilhaus ME-600 family of boards that do data collection and multipurpose I/O. @@ -29,7 +30,7 @@ config ME0600 config ME0900 tristate "Meilhaus ME-900 support" default n - depends on PCI + depends on PCI && m help This driver supports the Meilhaus ME-900 family of boards that do data collection and multipurpose I/O. @@ -40,7 +41,7 @@ config ME0900 config ME1000 tristate "Meilhaus ME-1000 support" default n - depends on PCI + depends on PCI && m help This driver supports the Meilhaus ME-1000 family of boards that do data collection and multipurpose I/O. @@ -51,7 +52,7 @@ config ME1000 config ME1400 tristate "Meilhaus ME-1400 support" default n - depends on PCI + depends on PCI && m help This driver supports the Meilhaus ME-1400 family of boards that do data collection and multipurpose I/O. @@ -62,7 +63,7 @@ config ME1400 config ME1600 tristate "Meilhaus ME-1600 support" default n - depends on PCI + depends on PCI && m help This driver supports the Meilhaus ME-1600 family of boards that do data collection and multipurpose I/O. @@ -73,7 +74,7 @@ config ME1600 config ME4600 tristate "Meilhaus ME-4600 support" default n - depends on PCI + depends on PCI && m help This driver supports the Meilhaus ME-4600 family of boards that do data collection and multipurpose I/O. @@ -84,7 +85,7 @@ config ME4600 config ME6000 tristate "Meilhaus ME-6000 support" default n - depends on PCI + depends on PCI && m help This driver supports the Meilhaus ME-6000 family of boards that do data collection and multipurpose I/O. @@ -95,7 +96,7 @@ config ME6000 config ME8100 tristate "Meilhaus ME-8100 support" default n - depends on PCI + depends on PCI && m help This driver supports the Meilhaus ME-8100 family of boards that do data collection and multipurpose I/O. @@ -106,7 +107,7 @@ config ME8100 config ME8200 tristate "Meilhaus ME-8200 support" default n - depends on PCI + depends on PCI && m help This driver supports the Meilhaus ME-8200 family of boards that do data collection and multipurpose I/O. @@ -117,7 +118,7 @@ config ME8200 config MEDUMMY tristate "Meilhaus dummy driver" default n - depends on PCI + depends on PCI && m help This provides a dummy driver for the Meilhaus driver package diff --git a/drivers/staging/poch/poch.c b/drivers/staging/poch/poch.c index ec343ef53a85c63b54393a06f4ee95c77e1dc12c..0d111ddfabb22c15408b14b891c094022fe85225 100644 --- a/drivers/staging/poch/poch.c +++ b/drivers/staging/poch/poch.c @@ -1026,7 +1026,7 @@ static int poch_ioctl(struct inode *inode, struct file *filp, } break; case POCH_IOC_GET_COUNTERS: - if (access_ok(VERIFY_WRITE, argp, sizeof(struct poch_counters))) + if (!access_ok(VERIFY_WRITE, argp, sizeof(struct poch_counters))) return -EFAULT; spin_lock_irq(&channel->counters_lock); diff --git a/drivers/staging/usbip/usbip_common.c b/drivers/staging/usbip/usbip_common.c index 72e209276ea74b6af2bef0b439f053ff3689c9b6..22f93dd0ba034ac741dcba70642fbf5272957070 100644 --- a/drivers/staging/usbip/usbip_common.c +++ b/drivers/staging/usbip/usbip_common.c @@ -406,8 +406,20 @@ void usbip_start_threads(struct usbip_device *ud) /* * threads are invoked per one device (per one connection). */ - kernel_thread(usbip_thread, (void *)&ud->tcp_rx, 0); - kernel_thread(usbip_thread, (void *)&ud->tcp_tx, 0); + int retval; + + retval = kernel_thread(usbip_thread, (void *)&ud->tcp_rx, 0); + if (retval < 0) { + printk(KERN_ERR "Creating tcp_rx thread for ud %p failed.\n", + ud); + return; + } + retval = kernel_thread(usbip_thread, (void *)&ud->tcp_tx, 0); + if (retval < 0) { + printk(KERN_ERR "Creating tcp_tx thread for ud %p failed.\n", + ud); + return; + } /* confirm threads are starting */ wait_for_completion(&ud->tcp_rx.thread_done);