diff --git a/MAINTAINERS b/MAINTAINERS index 707163365a93..de4e2806030f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4034,6 +4034,7 @@ F: Documentation/scsi/53c700.txt F: drivers/scsi/53c700* LED SUBSYSTEM +M: Bryan Wu M: Richard Purdie S: Maintained F: drivers/leds/ diff --git a/drivers/leds/leds-netxbig.c b/drivers/leds/leds-netxbig.c index d8433f2d53bc..73973fdbd8be 100644 --- a/drivers/leds/leds-netxbig.c +++ b/drivers/leds/leds-netxbig.c @@ -112,7 +112,7 @@ err_free_addr: return err; } -static void __devexit gpio_ext_free(struct netxbig_gpio_ext *gpio_ext) +static void gpio_ext_free(struct netxbig_gpio_ext *gpio_ext) { int i; @@ -294,7 +294,7 @@ static ssize_t netxbig_led_sata_show(struct device *dev, static DEVICE_ATTR(sata, 0644, netxbig_led_sata_show, netxbig_led_sata_store); -static void __devexit delete_netxbig_led(struct netxbig_led_data *led_dat) +static void delete_netxbig_led(struct netxbig_led_data *led_dat) { if (led_dat->mode_val[NETXBIG_LED_SATA] != NETXBIG_LED_INVALID_MODE) device_remove_file(led_dat->cdev.dev, &dev_attr_sata); diff --git a/drivers/leds/leds-ns2.c b/drivers/leds/leds-ns2.c index 2f0a14421a73..01cf89ec6944 100644 --- a/drivers/leds/leds-ns2.c +++ b/drivers/leds/leds-ns2.c @@ -255,7 +255,7 @@ err_free_cmd: return ret; } -static void __devexit delete_ns2_led(struct ns2_led_data *led_dat) +static void delete_ns2_led(struct ns2_led_data *led_dat) { device_remove_file(led_dat->cdev.dev, &dev_attr_sata); led_classdev_unregister(&led_dat->cdev); diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 2d60492d6df8..1030a716d155 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -747,6 +747,8 @@ static void pte_to_pagemap_entry(pagemap_entry_t *pme, pte_t pte) else if (pte_present(pte)) *pme = make_pme(PM_PFRAME(pte_pfn(pte)) | PM_PSHIFT(PAGE_SHIFT) | PM_PRESENT); + else + *pme = make_pme(PM_NOT_PRESENT); } #ifdef CONFIG_TRANSPARENT_HUGEPAGE @@ -761,6 +763,8 @@ static void thp_pmd_to_pagemap_entry(pagemap_entry_t *pme, if (pmd_present(pmd)) *pme = make_pme(PM_PFRAME(pmd_pfn(pmd) + offset) | PM_PSHIFT(PAGE_SHIFT) | PM_PRESENT); + else + *pme = make_pme(PM_NOT_PRESENT); } #else static inline void thp_pmd_to_pagemap_entry(pagemap_entry_t *pme, @@ -801,8 +805,10 @@ static int pagemap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end, /* check to see if we've left 'vma' behind * and need a new, higher one */ - if (vma && (addr >= vma->vm_end)) + if (vma && (addr >= vma->vm_end)) { vma = find_vma(walk->mm, addr); + pme = make_pme(PM_NOT_PRESENT); + } /* check that 'vma' actually covers this address, * and that it isn't a huge page vma */ @@ -830,6 +836,8 @@ static void huge_pte_to_pagemap_entry(pagemap_entry_t *pme, if (pte_present(pte)) *pme = make_pme(PM_PFRAME(pte_pfn(pte) + offset) | PM_PSHIFT(PAGE_SHIFT) | PM_PRESENT); + else + *pme = make_pme(PM_NOT_PRESENT); } /* This function walks within one hugetlb entry in the single call */ @@ -839,7 +847,7 @@ static int pagemap_hugetlb_range(pte_t *pte, unsigned long hmask, { struct pagemapread *pm = walk->private; int err = 0; - pagemap_entry_t pme = make_pme(PM_NOT_PRESENT); + pagemap_entry_t pme; for (; addr != end; addr += PAGE_SIZE) { int offset = (addr & ~hmask) >> PAGE_SHIFT; diff --git a/kernel/fork.c b/kernel/fork.c index b9372a0bff18..687a15d56243 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -47,6 +47,7 @@ #include #include #include +#include #include #include #include @@ -1464,6 +1465,8 @@ bad_fork_cleanup_io: if (p->io_context) exit_io_context(p); bad_fork_cleanup_namespaces: + if (unlikely(clone_flags & CLONE_NEWPID)) + pid_ns_release_proc(p->nsproxy->pid_ns); exit_task_namespaces(p); bad_fork_cleanup_mm: if (p->mm) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 5a16423a512c..ae8f708e3d75 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2498,7 +2498,6 @@ retry_avoidcopy: if (outside_reserve) { BUG_ON(huge_pte_none(pte)); if (unmap_ref_private(mm, vma, old_page, address)) { - BUG_ON(page_count(old_page) != 1); BUG_ON(huge_pte_none(pte)); spin_lock(&mm->page_table_lock); ptep = huge_pte_offset(mm, address & huge_page_mask(h)); diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 31ab9c3f0178..b659260c56ad 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4507,6 +4507,12 @@ static void mem_cgroup_usage_unregister_event(struct cgroup *cgrp, swap_buffers: /* Swap primary and spare array */ thresholds->spare = thresholds->primary; + /* If all events are unregistered, free the spare array */ + if (!new) { + kfree(thresholds->spare); + thresholds->spare = NULL; + } + rcu_assign_pointer(thresholds->primary, new); /* To be sure that nobody uses thresholds */ diff --git a/mm/nobootmem.c b/mm/nobootmem.c index e53bb8a256b1..1983fb1c7026 100644 --- a/mm/nobootmem.c +++ b/mm/nobootmem.c @@ -82,8 +82,7 @@ void __init free_bootmem_late(unsigned long addr, unsigned long size) static void __init __free_pages_memory(unsigned long start, unsigned long end) { - int i; - unsigned long start_aligned, end_aligned; + unsigned long i, start_aligned, end_aligned; int order = ilog2(BITS_PER_LONG); start_aligned = (start + (BITS_PER_LONG - 1)) & ~(BITS_PER_LONG - 1); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index a712fb9e04ce..b21b3db15a7f 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -105,7 +105,7 @@ unsigned long totalreserve_pages __read_mostly; */ unsigned long dirty_balance_reserve __read_mostly; -int percpu_pagelist_fraction; +int percpu_pagelist_fraction = 8; gfp_t gfp_allowed_mask __read_mostly = GFP_BOOT_MASK; #ifdef CONFIG_PM_SLEEP @@ -5203,7 +5203,7 @@ int percpu_pagelist_fraction_sysctl_handler(ctl_table *table, int write, int ret; ret = proc_dointvec_minmax(table, write, buffer, length, ppos); - if (!write || (ret == -EINVAL)) + if (!write || (ret < 0)) return ret; for_each_populated_zone(zone) { for_each_possible_cpu(cpu) {