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Commit f66abf09 authored by Catalin Marinas's avatar Catalin Marinas Committed by Linus Torvalds
Browse files

mm: kmemleak: slightly reduce the size of some structures on 64-bit architectures 

Change the kmemleak_object.flags type to unsigned int and moves the
early_log.min_count (int) near early_log.op_type (int) to slightly
reduce the size of these structures on 64-bit architectures.

Link: http://lkml.kernel.org/r/1495726937-23557-2-git-send-email-catalin.marinas@arm.com


Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: "Luis R. Rodriguez" <mcgrof@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent e0dd7d53

mm/kmemleak.c

+3 −3
Original line number Diff line number Diff line
@@ -150,7 +150,7 @@ struct kmemleak_scan_area { 
 */

struct kmemleak_object {

	spinlock_t lock;

	unsigned long flags;		/* object status flags */

	unsigned int flags;		/* object status flags */

	struct list_head object_list;

	struct list_head gray_list;

	struct rb_node rb_node;
@@ -262,9 +262,9 @@ enum { 
 */

struct early_log {

	int op_type;			/* kmemleak operation type */

	int min_count;			/* minimum reference count */

	const void *ptr;		/* allocated/freed memory block */

	size_t size;			/* memory block size */

	int min_count;			/* minimum reference count */

	unsigned long trace[MAX_TRACE];	/* stack trace */

	unsigned int trace_len;		/* stack trace length */

};
@@ -393,7 +393,7 @@ static void dump_object_info(struct kmemleak_object *object) 
		  object->comm, object->pid, object->jiffies);

	pr_notice("  min_count = %d\n", object->min_count);

	pr_notice("  count = %d\n", object->count);

	pr_notice("  flags = 0x%lx\n", object->flags);

	pr_notice("  flags = 0x%x\n", object->flags);

	pr_notice("  checksum = %u\n", object->checksum);

	pr_notice("  backtrace:\n");

	print_stack_trace(&trace, 4);