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Merge branch 'akpm' (patches from Andrew)

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Pull updates from Andrew Morton:
 "Most of -mm and quite a number of other subsystems: hotfixes, scripts,
  ocfs2, misc, lib, binfmt, init, reiserfs, exec, dma-mapping, kcov.

  MM is fairly quiet this time.  Holidays, I assume"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (118 commits)
  kcov: ignore fault-inject and stacktrace
  include/linux/io-mapping.h-mapping: use PHYS_PFN() macro in io_mapping_map_atomic_wc()
  execve: warn if process starts with executable stack
  reiserfs: prevent NULL pointer dereference in reiserfs_insert_item()
  init/main.c: fix misleading "This architecture does not have kernel memory protection" message
  init/main.c: fix quoted value handling in unknown_bootoption
  init/main.c: remove unnecessary repair_env_string in do_initcall_level
  init/main.c: log arguments and environment passed to init
  fs/binfmt_elf.c: coredump: allow process with empty address space to coredump
  fs/binfmt_elf.c: coredump: delete duplicated overflow check
  fs/binfmt_elf.c: coredump: allocate core ELF header on stack
  fs/binfmt_elf.c: make BAD_ADDR() unlikely
  fs/binfmt_elf.c: better codegen around current->mm
  fs/binfmt_elf.c: don't copy ELF header around
  fs/binfmt_elf.c: fix ->start_code calculation
  fs/binfmt_elf.c: smaller code generation around auxv vector fill
  lib/find_bit.c: uninline helper _find_next_bit()
  lib/find_bit.c: join _find_next_bit{_le}
  uapi: rename ext2_swab() to swab() and share globally in swab.h
  lib/scatterlist.c: adjust indentation in __sg_alloc_table
  ...
This commit is contained in:
Linus Torvalds
2020-01-31 12:16:36 -08:00
parent ddaefe8947 43e76af85f
commit 7eec11d3a7
136 changed files with 2722 additions and 1291 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/trace/events/kmem.h
View File

@@ -88,8 +88,8 @@ DECLARE_EVENT_CLASS(kmem_alloc_node,
__entry->node = node;
),
TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d",
__entry->call_site,
TP_printk("call_site=%pS ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d",
(void *)__entry->call_site,
__entry->ptr,
__entry->bytes_req,
__entry->bytes_alloc,

37
include/trace/events/writeback.h
View File

@@ -67,8 +67,8 @@ DECLARE_EVENT_CLASS(writeback_page_template,
TP_fast_assign(
strscpy_pad(__entry->name,
mapping ? dev_name(inode_to_bdi(mapping->host)->dev) : "(unknown)",
32);
bdi_dev_name(mapping ? inode_to_bdi(mapping->host) :
NULL), 32);
__entry->ino = mapping ? mapping->host->i_ino : 0;
__entry->index = page->index;
),
@@ -111,8 +111,7 @@ DECLARE_EVENT_CLASS(writeback_dirty_inode_template,
struct backing_dev_info *bdi = inode_to_bdi(inode);
/* may be called for files on pseudo FSes w/ unregistered bdi */
strscpy_pad(__entry->name,
bdi->dev ? dev_name(bdi->dev) : "(unknown)", 32);
strscpy_pad(__entry->name, bdi_dev_name(bdi), 32);
__entry->ino = inode->i_ino;
__entry->state = inode->i_state;
__entry->flags = flags;
@@ -193,7 +192,7 @@ TRACE_EVENT(inode_foreign_history,
),
TP_fast_assign(
strncpy(__entry->name, dev_name(inode_to_bdi(inode)->dev), 32);
strncpy(__entry->name, bdi_dev_name(inode_to_bdi(inode)), 32);
__entry->ino = inode->i_ino;
__entry->cgroup_ino = __trace_wbc_assign_cgroup(wbc);
__entry->history = history;
@@ -222,7 +221,7 @@ TRACE_EVENT(inode_switch_wbs,
),
TP_fast_assign(
strncpy(__entry->name, dev_name(old_wb->bdi->dev), 32);
strncpy(__entry->name, bdi_dev_name(old_wb->bdi), 32);
__entry->ino = inode->i_ino;
__entry->old_cgroup_ino = __trace_wb_assign_cgroup(old_wb);
__entry->new_cgroup_ino = __trace_wb_assign_cgroup(new_wb);
@@ -255,7 +254,7 @@ TRACE_EVENT(track_foreign_dirty,
struct address_space *mapping = page_mapping(page);
struct inode *inode = mapping ? mapping->host : NULL;
strncpy(__entry->name, dev_name(wb->bdi->dev), 32);
strncpy(__entry->name, bdi_dev_name(wb->bdi), 32);
__entry->bdi_id = wb->bdi->id;
__entry->ino = inode ? inode->i_ino : 0;
__entry->memcg_id = wb->memcg_css->id;
@@ -288,7 +287,7 @@ TRACE_EVENT(flush_foreign,
),
TP_fast_assign(
strncpy(__entry->name, dev_name(wb->bdi->dev), 32);
strncpy(__entry->name, bdi_dev_name(wb->bdi), 32);
__entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
__entry->frn_bdi_id = frn_bdi_id;
__entry->frn_memcg_id = frn_memcg_id;
@@ -318,7 +317,7 @@ DECLARE_EVENT_CLASS(writeback_write_inode_template,
TP_fast_assign(
strscpy_pad(__entry->name,
dev_name(inode_to_bdi(inode)->dev), 32);
bdi_dev_name(inode_to_bdi(inode)), 32);
__entry->ino = inode->i_ino;
__entry->sync_mode = wbc->sync_mode;
__entry->cgroup_ino = __trace_wbc_assign_cgroup(wbc);
@@ -361,9 +360,7 @@ DECLARE_EVENT_CLASS(writeback_work_class,
__field(ino_t, cgroup_ino)
),
TP_fast_assign(
strscpy_pad(__entry->name,
wb->bdi->dev ? dev_name(wb->bdi->dev) :
"(unknown)", 32);
strscpy_pad(__entry->name, bdi_dev_name(wb->bdi), 32);
__entry->nr_pages = work->nr_pages;
__entry->sb_dev = work->sb ? work->sb->s_dev : 0;
__entry->sync_mode = work->sync_mode;
@@ -416,7 +413,7 @@ DECLARE_EVENT_CLASS(writeback_class,
__field(ino_t, cgroup_ino)
),
TP_fast_assign(
strscpy_pad(__entry->name, dev_name(wb->bdi->dev), 32);
strscpy_pad(__entry->name, bdi_dev_name(wb->bdi), 32);
__entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
),
TP_printk("bdi %s: cgroup_ino=%lu",
@@ -438,7 +435,7 @@ TRACE_EVENT(writeback_bdi_register,
__array(char, name, 32)
),
TP_fast_assign(
strscpy_pad(__entry->name, dev_name(bdi->dev), 32);
strscpy_pad(__entry->name, bdi_dev_name(bdi), 32);
),
TP_printk("bdi %s",
__entry->name
@@ -463,7 +460,7 @@ DECLARE_EVENT_CLASS(wbc_class,
),
TP_fast_assign(
strscpy_pad(__entry->name, dev_name(bdi->dev), 32);
strscpy_pad(__entry->name, bdi_dev_name(bdi), 32);
__entry->nr_to_write = wbc->nr_to_write;
__entry->pages_skipped = wbc->pages_skipped;
__entry->sync_mode = wbc->sync_mode;
@@ -514,7 +511,7 @@ TRACE_EVENT(writeback_queue_io,
),
TP_fast_assign(
unsigned long *older_than_this = work->older_than_this;
strscpy_pad(__entry->name, dev_name(wb->bdi->dev), 32);
strscpy_pad(__entry->name, bdi_dev_name(wb->bdi), 32);
__entry->older = older_than_this ? *older_than_this : 0;
__entry->age = older_than_this ?
(jiffies - *older_than_this) * 1000 / HZ : -1;
@@ -600,7 +597,7 @@ TRACE_EVENT(bdi_dirty_ratelimit,
),
TP_fast_assign(
strscpy_pad(__entry->bdi, dev_name(wb->bdi->dev), 32);
strscpy_pad(__entry->bdi, bdi_dev_name(wb->bdi), 32);
__entry->write_bw = KBps(wb->write_bandwidth);
__entry->avg_write_bw = KBps(wb->avg_write_bandwidth);
__entry->dirty_rate = KBps(dirty_rate);
@@ -665,7 +662,7 @@ TRACE_EVENT(balance_dirty_pages,
TP_fast_assign(
unsigned long freerun = (thresh + bg_thresh) / 2;
strscpy_pad(__entry->bdi, dev_name(wb->bdi->dev), 32);
strscpy_pad(__entry->bdi, bdi_dev_name(wb->bdi), 32);
__entry->limit = global_wb_domain.dirty_limit;
__entry->setpoint = (global_wb_domain.dirty_limit +
@@ -726,7 +723,7 @@ TRACE_EVENT(writeback_sb_inodes_requeue,
TP_fast_assign(
strscpy_pad(__entry->name,
dev_name(inode_to_bdi(inode)->dev), 32);
bdi_dev_name(inode_to_bdi(inode)), 32);
__entry->ino = inode->i_ino;
__entry->state = inode->i_state;
__entry->dirtied_when = inode->dirtied_when;
@@ -800,7 +797,7 @@ DECLARE_EVENT_CLASS(writeback_single_inode_template,
TP_fast_assign(
strscpy_pad(__entry->name,
dev_name(inode_to_bdi(inode)->dev), 32);
bdi_dev_name(inode_to_bdi(inode)), 32);
__entry->ino = inode->i_ino;
__entry->state = inode->i_state;
__entry->dirtied_when = inode->dirtied_when;