diff options
Diffstat (limited to 'mm/kmemleak.c')
| -rw-r--r-- | mm/kmemleak.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/mm/kmemleak.c b/mm/kmemleak.c index 7780cd83a495..e83987c55a08 100644 --- a/mm/kmemleak.c +++ b/mm/kmemleak.c @@ -91,7 +91,6 @@ #include <linux/stacktrace.h> #include <linux/cache.h> #include <linux/percpu.h> -#include <linux/hardirq.h> #include <linux/bootmem.h> #include <linux/pfn.h> #include <linux/mmzone.h> @@ -110,7 +109,6 @@ #include <linux/atomic.h> #include <linux/kasan.h> -#include <linux/kmemcheck.h> #include <linux/kmemleak.h> #include <linux/memory_hotplug.h> @@ -128,7 +126,7 @@ /* GFP bitmask for kmemleak internal allocations */ #define gfp_kmemleak_mask(gfp) (((gfp) & (GFP_KERNEL | GFP_ATOMIC)) | \ __GFP_NORETRY | __GFP_NOMEMALLOC | \ - __GFP_NOWARN) + __GFP_NOWARN | __GFP_NOFAIL) /* scanning area inside a memory block */ struct kmemleak_scan_area { @@ -1238,9 +1236,6 @@ static bool update_checksum(struct kmemleak_object *object) { u32 old_csum = object->checksum; - if (!kmemcheck_is_obj_initialized(object->pointer, object->size)) - return false; - kasan_disable_current(); object->checksum = crc32(0, (void *)object->pointer, object->size); kasan_enable_current(); @@ -1314,11 +1309,6 @@ static void scan_block(void *_start, void *_end, if (scan_should_stop()) break; - /* don't scan uninitialized memory */ - if (!kmemcheck_is_obj_initialized((unsigned long)ptr, - BYTES_PER_POINTER)) - continue; - kasan_disable_current(); pointer = *ptr; kasan_enable_current(); @@ -1532,6 +1522,8 @@ static void kmemleak_scan(void) if (page_count(page) == 0) continue; scan_block(page, page + 1, NULL); + if (!(pfn & 63)) + cond_resched(); } } put_online_mems(); @@ -2104,7 +2096,7 @@ static int __init kmemleak_late_init(void) return -ENOMEM; } - dentry = debugfs_create_file("kmemleak", S_IRUGO, NULL, NULL, + dentry = debugfs_create_file("kmemleak", 0644, NULL, NULL, &kmemleak_fops); if (!dentry) pr_warn("Failed to create the debugfs kmemleak file\n"); |