[PATCH] fault-injection: defaults likely to please a new user

Assign defaults most likely to please a new user:
 1) generate some logging output
    (verbose=2)
 2) avoid injecting failures likely to lock up UI
    (ignore_gfp_wait=1, ignore_gfp_highmem=1)

Signed-off-by: Don Mullis <dwm@meer.net>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

3 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/fault-inject.h b/include/linux/fault-inject.h
index c77067916b7e..32368c4f0326 100644
--- a/include/linux/fault-inject.h
+++ b/include/linux/fault-inject.h
@@ -52,6 +52,7 @@ struct fault_attr {
                 .times = ATOMIC_INIT(1),                        \
                 .require_end = ULONG_MAX,                       \
                 .stacktrace_depth = 32,                         \
+                .verbose = 2,                                   \
         }
 
 #define DECLARE_FAULT_ATTR(name) struct fault_attr name = FAULT_ATTR_INITIALIZER
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 0cc8b4376e91..e6b17b2989e0 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -910,6 +910,8 @@ static struct fail_page_alloc_attr {
 
 } fail_page_alloc = {
         .attr = FAULT_ATTR_INITIALIZER,
+        .ignore_gfp_wait = 1,
+        .ignore_gfp_highmem = 1,
 };
 
 static int __init setup_fail_page_alloc(char *str)
diff --git a/mm/slab.c b/mm/slab.c
index 47011e2ef3c9..56af694c9e6a 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3102,6 +3102,7 @@ static struct failslab_attr {
 
 } failslab = {
         .attr = FAULT_ATTR_INITIALIZER,
+        .ignore_gfp_wait = 1,
 };
 
 static int __init setup_failslab(char *str)