diff options
Diffstat (limited to 'sys/vm/vm_page.c')
| -rw-r--r-- | sys/vm/vm_page.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c index f14da4a..389aea5 100644 --- a/sys/vm/vm_page.c +++ b/sys/vm/vm_page.c @@ -137,7 +137,7 @@ SYSCTL_INT(_vm, OID_AUTO, tryrelock_restart, CTLFLAG_RD, static uma_zone_t fakepg_zone; -static void vm_page_clear_dirty_mask(vm_page_t m, int pagebits); +static void vm_page_clear_dirty_mask(vm_page_t m, vm_page_bits_t pagebits); static void vm_page_queue_remove(int queue, vm_page_t m); static void vm_page_enqueue(int queue, vm_page_t m); static void vm_page_init_fakepg(void *dummy); @@ -2350,7 +2350,7 @@ retrylookup: * * Inputs are required to range within a page. */ -int +vm_page_bits_t vm_page_bits(int base, int size) { int first_bit; @@ -2367,7 +2367,8 @@ vm_page_bits(int base, int size) first_bit = base >> DEV_BSHIFT; last_bit = (base + size - 1) >> DEV_BSHIFT; - return ((2 << last_bit) - (1 << first_bit)); + return (((vm_page_bits_t)2 << last_bit) - + ((vm_page_bits_t)1 << first_bit)); } /* @@ -2426,7 +2427,7 @@ vm_page_set_valid(vm_page_t m, int base, int size) * Clear the given bits from the specified page's dirty field. */ static __inline void -vm_page_clear_dirty_mask(vm_page_t m, int pagebits) +vm_page_clear_dirty_mask(vm_page_t m, vm_page_bits_t pagebits) { uintptr_t addr; #if PAGE_SIZE < 16384 @@ -2455,7 +2456,6 @@ vm_page_clear_dirty_mask(vm_page_t m, int pagebits) */ addr = (uintptr_t)&m->dirty; #if PAGE_SIZE == 32768 -#error pagebits too short atomic_clear_64((uint64_t *)addr, pagebits); #elif PAGE_SIZE == 16384 atomic_clear_32((uint32_t *)addr, pagebits); @@ -2492,8 +2492,8 @@ vm_page_clear_dirty_mask(vm_page_t m, int pagebits) void vm_page_set_validclean(vm_page_t m, int base, int size) { - u_long oldvalid; - int endoff, frag, pagebits; + vm_page_bits_t oldvalid, pagebits; + int endoff, frag; VM_OBJECT_LOCK_ASSERT(m->object, MA_OWNED); if (size == 0) /* handle degenerate case */ @@ -2505,7 +2505,7 @@ vm_page_set_validclean(vm_page_t m, int base, int size) * first block. */ if ((frag = base & ~(DEV_BSIZE - 1)) != base && - (m->valid & (1 << (base >> DEV_BSHIFT))) == 0) + (m->valid & ((vm_page_bits_t)1 << (base >> DEV_BSHIFT))) == 0) pmap_zero_page_area(m, frag, base - frag); /* @@ -2515,7 +2515,7 @@ vm_page_set_validclean(vm_page_t m, int base, int size) */ endoff = base + size; if ((frag = endoff & ~(DEV_BSIZE - 1)) != endoff && - (m->valid & (1 << (endoff >> DEV_BSHIFT))) == 0) + (m->valid & ((vm_page_bits_t)1 << (endoff >> DEV_BSHIFT))) == 0) pmap_zero_page_area(m, endoff, DEV_BSIZE - (endoff & (DEV_BSIZE - 1))); @@ -2585,7 +2585,7 @@ vm_page_clear_dirty(vm_page_t m, int base, int size) void vm_page_set_invalid(vm_page_t m, int base, int size) { - int bits; + vm_page_bits_t bits; VM_OBJECT_LOCK_ASSERT(m->object, MA_OWNED); KASSERT((m->oflags & VPO_BUSY) == 0, @@ -2625,8 +2625,7 @@ vm_page_zero_invalid(vm_page_t m, boolean_t setvalid) */ for (b = i = 0; i <= PAGE_SIZE / DEV_BSIZE; ++i) { if (i == (PAGE_SIZE / DEV_BSIZE) || - (m->valid & (1 << i)) - ) { + (m->valid & ((vm_page_bits_t)1 << i))) { if (i > b) { pmap_zero_page_area(m, b << DEV_BSHIFT, (i - b) << DEV_BSHIFT); @@ -2656,9 +2655,10 @@ vm_page_zero_invalid(vm_page_t m, boolean_t setvalid) int vm_page_is_valid(vm_page_t m, int base, int size) { - int bits = vm_page_bits(base, size); + vm_page_bits_t bits; VM_OBJECT_LOCK_ASSERT(m->object, MA_OWNED); + bits = vm_page_bits(base, size); if (m->valid && ((m->valid & bits) == bits)) return 1; else |
