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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-30 19:04:53 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-30 19:04:53 -0700
commite83c2b0ff325f52dda1aff3572d0e1516216c54b (patch)
tree0d9dd56df33a308d03c8ac2d666826017777f0cf /kernel
parent9fcfc91bda04259abb9af2fd83bbf48d19da8502 (diff)
parent12de38b186c2af97bf0b4a1f907f766df46b1def (diff)
Merge branch 'kmemleak' of git://linux-arm.org/linux-2.6
* 'kmemleak' of git://linux-arm.org/linux-2.6: kmemleak: Inform kmemleak about pid_hash kmemleak: Do not warn if an unknown object is freed kmemleak: Do not report new leaked objects if the scanning was stopped kmemleak: Slightly change the policy on newly allocated objects kmemleak: Do not trigger a scan when reading the debug/kmemleak file kmemleak: Simplify the reports logged by the scanning thread kmemleak: Enable task stacks scanning by default kmemleak: Allow the early log buffer to be configurable.
Diffstat (limited to 'kernel')
-rw-r--r--kernel/pid.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/pid.c b/kernel/pid.c
index 31310b5d3f50..5fa1db48d8b7 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -36,6 +36,7 @@
#include <linux/pid_namespace.h>
#include <linux/init_task.h>
#include <linux/syscalls.h>
+#include <linux/kmemleak.h>
#define pid_hashfn(nr, ns) \
hash_long((unsigned long)nr + (unsigned long)ns, pidhash_shift)
@@ -512,6 +513,12 @@ void __init pidhash_init(void)
pid_hash = alloc_bootmem(pidhash_size * sizeof(*(pid_hash)));
if (!pid_hash)
panic("Could not alloc pidhash!\n");
+ /*
+ * pid_hash contains references to allocated struct pid objects and it
+ * must be scanned by kmemleak to avoid false positives.
+ */
+ kmemleak_alloc(pid_hash, pidhash_size * sizeof(*(pid_hash)), 0,
+ GFP_KERNEL);
for (i = 0; i < pidhash_size; i++)
INIT_HLIST_HEAD(&pid_hash[i]);
}