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authorLinus Torvalds <torvalds@linux-foundation.org>2019-05-19 12:15:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-05-19 12:15:32 -0700
commitcb6f8739fbf98203d0fb0bc2c2dbbec0ddfe978a (patch)
treebdb69f5b9fb5a3e7b6810319468706bad2b6e1ac /Documentation
parentff8583d6e4e33fe3856a609095c683d5dbe39120 (diff)
parentde6da1e8bcf0dd2058b950b127491821207679dc (diff)
Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton: "A few final bits: - large changes to vmalloc, yielding large performance benefits - tweak the console-flush-on-panic code - a few fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: panic: add an option to replay all the printk message in buffer initramfs: don't free a non-existent initrd fs/writeback.c: use rcu_barrier() to wait for inflight wb switches going into workqueue when umount mm/compaction.c: correct zone boundary handling when isolating pages from a pageblock mm/vmap: add DEBUG_AUGMENT_LOWEST_MATCH_CHECK macro mm/vmap: add DEBUG_AUGMENT_PROPAGATE_CHECK macro mm/vmalloc.c: keep track of free blocks for vmap allocation
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 52e6fbb042cc..138f6664b2e2 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3212,6 +3212,7 @@
bit 2: print timer info
bit 3: print locks info if CONFIG_LOCKDEP is on
bit 4: print ftrace buffer
+ bit 5: print all printk messages in buffer
panic_on_warn panic() instead of WARN(). Useful to cause kdump
on a WARN().