diff options
Diffstat (limited to 'usr/src/uts/common/vm/page.h')
| -rw-r--r-- | usr/src/uts/common/vm/page.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/usr/src/uts/common/vm/page.h b/usr/src/uts/common/vm/page.h index 38faf2afef..590675b8a9 100644 --- a/usr/src/uts/common/vm/page.h +++ b/usr/src/uts/common/vm/page.h @@ -497,7 +497,7 @@ typedef struct page { #if defined(_LP64) uint_t p_sharepad; /* pad for growing p_share */ #endif - uint_t p_msresv_1; /* reserved for future use */ + uint_t p_slckcnt; /* number of softlocks */ #if defined(__sparc) uint_t p_kpmref; /* number of kpm mapping sharers */ struct kpme *p_kpmelist; /* kpm specific mapping info */ @@ -516,6 +516,10 @@ typedef struct page { typedef page_t devpage_t; #define devpage page +#define PAGE_LOCK_MAXIMUM \ + ((1 << (sizeof (((page_t *)0)->p_lckcnt) * NBBY)) - 1) + +#define PAGE_SLOCK_MAXIMUM UINT_MAX /* * Page hash table is a power-of-two in size, externally chained |