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vm_page.h: page busy macro fixups

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Minor changes to:
  - delete extraneous trailing semicolons from macro definitions, and
  - correct spelling of "busying" in panic messages

Submitted by:	Ryan Libby <rlibby@gmail.com>
Reviewed by:	alc, kib
Sponsored by:	EMC / Isilon Storage Division
Differential Revision:	https://reviews.freebsd.org/D4577
This commit is contained in:
Conrad Meyer 2015-12-16 23:23:12 +00:00
parent 3a909afe8e
commit dc62d55929
1 changed files with 9 additions and 8 deletions
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17
sys/vm/vm_page.h
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@ -514,37 +514,38 @@ void vm_page_lock_assert_KBI(vm_page_t m, int a, const char *file, int line);
#define vm_page_assert_sbusied(m) \
KASSERT(vm_page_sbusied(m), \
("vm_page_assert_sbusied: page %p not shared busy @ %s:%d", \
(void *)m, __FILE__, __LINE__));
(m), __FILE__, __LINE__))
#define vm_page_assert_unbusied(m) \
KASSERT(!vm_page_busied(m), \
("vm_page_assert_unbusied: page %p busy @ %s:%d", \
(void *)m, __FILE__, __LINE__));
(m), __FILE__, __LINE__))
#define vm_page_assert_xbusied(m) \
KASSERT(vm_page_xbusied(m), \
("vm_page_assert_xbusied: page %p not exclusive busy @ %s:%d", \
(void *)m, __FILE__, __LINE__));
(m), __FILE__, __LINE__))
#define vm_page_busied(m) \
((m)->busy_lock != VPB_UNBUSIED)
#define vm_page_sbusy(m) do { \
if (!vm_page_trysbusy(m)) \
panic("%s: page %p failed shared busing", __func__, m); \
panic("%s: page %p failed shared busying", __func__, \
(m)); \
} while (0)
#define vm_page_tryxbusy(m) \
(atomic_cmpset_acq_int(&m->busy_lock, VPB_UNBUSIED, \
(atomic_cmpset_acq_int(&(m)->busy_lock, VPB_UNBUSIED, \
VPB_SINGLE_EXCLUSIVER))
#define vm_page_xbusied(m) \
((m->busy_lock & VPB_SINGLE_EXCLUSIVER) != 0)
(((m)->busy_lock & VPB_SINGLE_EXCLUSIVER) != 0)
#define vm_page_xbusy(m) do { \
if (!vm_page_tryxbusy(m)) \
panic("%s: page %p failed exclusive busing", __func__, \
m); \
panic("%s: page %p failed exclusive busying", __func__, \
(m)); \
} while (0)
#define vm_page_xunbusy(m) do { \