Merge branch 'akpm' (patches from Andrew)

Merge updates from Andrew Morton:

 - a few misc things

 - ocfs2 updates

 - the v9fs maintainers have been missing for a long time. I've taken
   over v9fs patch slinging.

 - most of MM

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (116 commits)
  mm,oom_reaper: check for MMF_OOM_SKIP before complaining
  mm/ksm: fix interaction with THP
  mm/memblock.c: cast constant ULLONG_MAX to phys_addr_t
  headers: untangle kmemleak.h from mm.h
  include/linux/mmdebug.h: make VM_WARN* non-rvals
  mm/page_isolation.c: make start_isolate_page_range() fail if already isolated
  mm: change return type to vm_fault_t
  mm, oom: remove 3% bonus for CAP_SYS_ADMIN processes
  mm, page_alloc: wakeup kcompactd even if kswapd cannot free more memory
  kernel/fork.c: detect early free of a live mm
  mm: make counting of list_lru_one::nr_items lockless
  mm/swap_state.c: make bool enable_vma_readahead and swap_vma_readahead() static
  block_invalidatepage(): only release page if the full page was invalidated
  mm: kernel-doc: add missing parameter descriptions
  mm/swap.c: remove @cold parameter description for release_pages()
  mm/nommu: remove description of alloc_vm_area
  zram: drop max_zpage_size and use zs_huge_class_size()
  zsmalloc: introduce zs_huge_class_size()
  mm: fix races between swapoff and flush dcache
  fs/direct-io.c: minor cleanups in do_blockdev_direct_IO
  ...
This commit is contained in:
Linus Torvalds
2018-04-06 14:19:26 -07:00
151 changed files with 1606 additions and 1274 deletions

View File

@@ -1177,9 +1177,9 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode,
unsigned blkbits = i_blkbits;
unsigned blocksize_mask = (1 << blkbits) - 1;
ssize_t retval = -EINVAL;
size_t count = iov_iter_count(iter);
const size_t count = iov_iter_count(iter);
loff_t offset = iocb->ki_pos;
loff_t end = offset + count;
const loff_t end = offset + count;
struct dio *dio;
struct dio_submit sdio = { 0, };
struct buffer_head map_bh = { 0, };
@@ -1200,7 +1200,7 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode,
}
/* watch out for a 0 len io from a tricksy fs */
if (iov_iter_rw(iter) == READ && !iov_iter_count(iter))
if (iov_iter_rw(iter) == READ && !count)
return 0;
dio = kmem_cache_alloc(dio_cache, GFP_KERNEL);
@@ -1315,8 +1315,7 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode,
dio->should_dirty = (iter->type == ITER_IOVEC);
sdio.iter = iter;
sdio.final_block_in_request =
(offset + iov_iter_count(iter)) >> blkbits;
sdio.final_block_in_request = end >> blkbits;
/*
* In case of non-aligned buffers, we may need 2 more