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authorLinus Torvalds <torvalds@linux-foundation.org>2015-01-09 23:10:59 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2015-01-09 23:10:59 (GMT)
commitb3d574aec7e7aa3ed545d7faf2b2cbaa8db4ce22 (patch)
tree087cb7711ee899b5e0bc2a071a4417fb3048b323 /include
parent11c8f01b423b2d9742ce21e44cb7da7b55429ad5 (diff)
parent9e5e3661727eaf960d3480213f8e87c8d67b6956 (diff)
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton: "12 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: mm, vmscan: prevent kswapd livelock due to pfmemalloc-throttled process being killed memcg: fix destination cgroup leak on task charges migration mm: memcontrol: switch soft limit default back to infinity mm/debug_pagealloc: remove obsolete Kconfig options vfs: renumber FMODE_NONOTIFY and add to uniqueness check arch/blackfin/mach-bf533/boards/stamp.c: add linux/delay.h ocfs2: fix the wrong directory passed to ocfs2_lookup_ino_from_name() when link file MAINTAINERS: update rydberg's addresses mm: protect set_page_dirty() from ongoing truncation mm: prevent endless growth of anon_vma hierarchy exit: fix race between wait_consider_task() and wait_task_zombie() ocfs2: remove bogus check in dlm_process_recovery_data
Diffstat (limited to 'include')
-rw-r--r--include/linux/fs.h2
-rw-r--r--include/linux/rmap.h10
-rw-r--r--include/linux/writeback.h1
-rw-r--r--include/uapi/asm-generic/fcntl.h2
4 files changed, 12 insertions, 3 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index f90c028..42efe13 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -135,7 +135,7 @@ typedef void (dio_iodone_t)(struct kiocb *iocb, loff_t offset,
#define FMODE_CAN_WRITE ((__force fmode_t)0x40000)
/* File was opened by fanotify and shouldn't generate fanotify events */
-#define FMODE_NONOTIFY ((__force fmode_t)0x1000000)
+#define FMODE_NONOTIFY ((__force fmode_t)0x4000000)
/*
* Flag for rw_copy_check_uvector and compat_rw_copy_check_uvector
diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index c0c2bce..d9d7e7e 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -37,6 +37,16 @@ struct anon_vma {
atomic_t refcount;
/*
+ * Count of child anon_vmas and VMAs which points to this anon_vma.
+ *
+ * This counter is used for making decision about reusing anon_vma
+ * instead of forking new one. See comments in function anon_vma_clone.
+ */
+ unsigned degree;
+
+ struct anon_vma *parent; /* Parent of this anon_vma */
+
+ /*
* NOTE: the LSB of the rb_root.rb_node is set by
* mm_take_all_locks() _after_ taking the above lock. So the
* rb_root must only be read/written after taking the above lock
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index a219be9..0004833 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -177,7 +177,6 @@ int write_cache_pages(struct address_space *mapping,
struct writeback_control *wbc, writepage_t writepage,
void *data);
int do_writepages(struct address_space *mapping, struct writeback_control *wbc);
-void set_page_dirty_balance(struct page *page);
void writeback_set_ratelimit(void);
void tag_pages_for_writeback(struct address_space *mapping,
pgoff_t start, pgoff_t end);
diff --git a/include/uapi/asm-generic/fcntl.h b/include/uapi/asm-generic/fcntl.h
index 7543b3e..e063eff 100644
--- a/include/uapi/asm-generic/fcntl.h
+++ b/include/uapi/asm-generic/fcntl.h
@@ -5,7 +5,7 @@
/*
* FMODE_EXEC is 0x20
- * FMODE_NONOTIFY is 0x1000000
+ * FMODE_NONOTIFY is 0x4000000
* These cannot be used by userspace O_* until internal and external open
* flags are split.
* -Eric Paris

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