diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/backing-dev.c | 8 | ||||
| -rw-r--r-- | mm/bootmem.c | 24 | ||||
| -rw-r--r-- | mm/filemap.c | 2 | ||||
| -rw-r--r-- | mm/kmemleak.c | 4 | ||||
| -rw-r--r-- | mm/memcontrol.c | 6 | ||||
| -rw-r--r-- | mm/memory-failure.c | 2 | ||||
| -rw-r--r-- | mm/mmap.c | 4 | ||||
| -rw-r--r-- | mm/page-writeback.c | 12 | ||||
| -rw-r--r-- | mm/truncate.c | 2 |
9 files changed, 38 insertions, 26 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 11aee09dd2a..0e8ca034770 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -604,10 +604,14 @@ static void bdi_wb_shutdown(struct backing_dev_info *bdi) /* * Finally, kill the kernel threads. We don't need to be RCU - * safe anymore, since the bdi is gone from visibility. + * safe anymore, since the bdi is gone from visibility. Force + * unfreeze of the thread before calling kthread_stop(), otherwise + * it would never exet if it is currently stuck in the refrigerator. */ - list_for_each_entry(wb, &bdi->wb_list, list) + list_for_each_entry(wb, &bdi->wb_list, list) { + thaw_process(wb->task); kthread_stop(wb->task); + } } /* diff --git a/mm/bootmem.c b/mm/bootmem.c index 555d5d2731c..d1dc23cc7f1 100644 --- a/mm/bootmem.c +++ b/mm/bootmem.c @@ -143,6 +143,30 @@ unsigned long __init init_bootmem(unsigned long start, unsigned long pages) return init_bootmem_core(NODE_DATA(0)->bdata, start, 0, pages); } +/* + * free_bootmem_late - free bootmem pages directly to page allocator + * @addr: starting address of the range + * @size: size of the range in bytes + * + * This is only useful when the bootmem allocator has already been torn + * down, but we are still initializing the system. Pages are given directly + * to the page allocator, no bootmem metadata is updated because it is gone. + */ +void __init free_bootmem_late(unsigned long addr, unsigned long size) +{ + unsigned long cursor, end; + + kmemleak_free_part(__va(addr), size); + + cursor = PFN_UP(addr); + end = PFN_DOWN(addr + size); + + for (; cursor < end; cursor++) { + __free_pages_bootmem(pfn_to_page(cursor), 0); + totalram_pages++; + } +} + static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata) { int aligned; diff --git a/mm/filemap.c b/mm/filemap.c index ef169f37156..c3d3506ecab 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1844,7 +1844,7 @@ static size_t __iovec_copy_from_user_inatomic(char *vaddr, /* * Copy as much as we can into the page and return the number of bytes which - * were sucessfully copied. If a fault is encountered then return the number of + * were successfully copied. If a fault is encountered then return the number of * bytes which were copied. */ size_t iov_iter_copy_from_user_atomic(struct page *page, diff --git a/mm/kmemleak.c b/mm/kmemleak.c index 8bf765c4f58..13f33b3081e 100644 --- a/mm/kmemleak.c +++ b/mm/kmemleak.c @@ -1050,8 +1050,8 @@ static void scan_object(struct kmemleak_object *object) unsigned long flags; /* - * Once the object->lock is aquired, the corresponding memory block - * cannot be freed (the same lock is aquired in delete_object). + * Once the object->lock is acquired, the corresponding memory block + * cannot be freed (the same lock is acquired in delete_object). */ spin_lock_irqsave(&object->lock, flags); if (object->flags & OBJECT_NO_SCAN) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index f99f5991d6b..c31a310aa14 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -209,7 +209,7 @@ struct mem_cgroup { int prev_priority; /* for recording reclaim priority */ /* - * While reclaiming in a hiearchy, we cache the last child we + * While reclaiming in a hierarchy, we cache the last child we * reclaimed from. */ int last_scanned_child; @@ -1720,7 +1720,7 @@ int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm, /* * While swap-in, try_charge -> commit or cancel, the page is locked. * And when try_charge() successfully returns, one refcnt to memcg without - * struct page_cgroup is aquired. This refcnt will be cumsumed by + * struct page_cgroup is acquired. This refcnt will be consumed by * "commit()" or removed by "cancel()" */ int mem_cgroup_try_charge_swapin(struct mm_struct *mm, @@ -2466,7 +2466,7 @@ static int mem_cgroup_hierarchy_write(struct cgroup *cont, struct cftype *cft, cgroup_lock(); /* - * If parent's use_hiearchy is set, we can't make any modifications + * If parent's use_hierarchy is set, we can't make any modifications * in the child subtrees. If it is unset, then the change can * occur, provided the current cgroup has no children. * diff --git a/mm/memory-failure.c b/mm/memory-failure.c index dacc6418387..1ac49fef95a 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -174,7 +174,7 @@ static void kill_procs_ao(struct list_head *to_kill, int doit, int trapno, list_for_each_entry_safe (tk, next, to_kill, nd) { if (doit) { /* - * In case something went wrong with munmaping + * In case something went wrong with munmapping * make sure the process doesn't catch the * signal and then access the memory. Just kill it. * the signal handlers diff --git a/mm/mmap.c b/mm/mmap.c index 73f5e4b6401..292ddc3cef9 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -20,7 +20,6 @@ #include <linux/fs.h> #include <linux/personality.h> #include <linux/security.h> -#include <linux/ima.h> #include <linux/hugetlb.h> #include <linux/profile.h> #include <linux/module.h> @@ -1061,9 +1060,6 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, error = security_file_mmap(file, reqprot, prot, flags, addr, 0); if (error) return error; - error = ima_file_mmap(file, prot); - if (error) - return error; return mmap_region(file, addr, len, flags, vm_flags, pgoff); } diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 2c5d79236ea..0b19943ecf8 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -821,7 +821,6 @@ int write_cache_pages(struct address_space *mapping, struct writeback_control *wbc, writepage_t writepage, void *data) { - struct backing_dev_info *bdi = mapping->backing_dev_info; int ret = 0; int done = 0; struct pagevec pvec; @@ -834,11 +833,6 @@ int write_cache_pages(struct address_space *mapping, int range_whole = 0; long nr_to_write = wbc->nr_to_write; - if (wbc->nonblocking && bdi_write_congested(bdi)) { - wbc->encountered_congestion = 1; - return 0; - } - pagevec_init(&pvec, 0); if (wbc->range_cyclic) { writeback_index = mapping->writeback_index; /* prev offset */ @@ -957,12 +951,6 @@ continue_unlock: break; } } - - if (wbc->nonblocking && bdi_write_congested(bdi)) { - wbc->encountered_congestion = 1; - done = 1; - break; - } } pagevec_release(&pvec); cond_resched(); diff --git a/mm/truncate.c b/mm/truncate.c index 450cebdabfc..2c147a7e5f2 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -490,7 +490,7 @@ EXPORT_SYMBOL_GPL(invalidate_inode_pages2_range); * Any pages which are found to be mapped into pagetables are unmapped prior to * invalidation. * - * Returns -EIO if any pages could not be invalidated. + * Returns -EBUSY if any pages could not be invalidated. */ int invalidate_inode_pages2(struct address_space *mapping) { |