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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: Catalin 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: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Catalin Marinas 2017-07-06 15:40:16 -07:00 committed by Linus Torvalds
parent e0dd7d53a6
commit f66abf09e0
1 changed files with 3 additions and 3 deletions
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6
mm/kmemleak.c
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@ -150,7 +150,7 @@ struct kmemleak_scan_area {
*/ */
struct kmemleak_object { struct kmemleak_object {
spinlock_t lock; spinlock_t lock;
unsigned long flags; /* object status flags */ unsigned int flags; /* object status flags */
struct list_head object_list; struct list_head object_list;
struct list_head gray_list; struct list_head gray_list;
struct rb_node rb_node; struct rb_node rb_node;
@ -262,9 +262,9 @@ enum {
*/ */
struct early_log { struct early_log {
int op_type; /* kmemleak operation type */ int op_type; /* kmemleak operation type */
int min_count; /* minimum reference count */
const void *ptr; /* allocated/freed memory block */ const void *ptr; /* allocated/freed memory block */
size_t size; /* memory block size */ size_t size; /* memory block size */
int min_count; /* minimum reference count */
unsigned long trace[MAX_TRACE]; /* stack trace */ unsigned long trace[MAX_TRACE]; /* stack trace */
unsigned int trace_len; /* stack trace length */ 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); object->comm, object->pid, object->jiffies);
pr_notice(" min_count = %d\n", object->min_count); pr_notice(" min_count = %d\n", object->min_count);
pr_notice(" count = %d\n", object->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(" checksum = %u\n", object->checksum);
pr_notice(" backtrace:\n"); pr_notice(" backtrace:\n");
print_stack_trace(&trace, 4); print_stack_trace(&trace, 4);