src/sys/arch/sun2/sun2/pmap.c - diff

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Diff for /src/sys/arch/sun2/sun2/pmap.c between version 1.43 and 1.43.10.1

version 1.43, 2009/12/11 13:56:16

version 1.43.10.1, 2011/06/23 14:19:44

Line 94 __KERNEL_RCSID(0, "$NetBSD$");

#include <sys/pool.h>

#include <sys/queue.h>

#include <sys/kcore.h>

#include <sys/atomic.h>

#include <uvm/uvm.h>

Line 242 struct pmap_stats {

Line 243 struct pmap_stats {

int ps_vac_recached; /* re-cached when bad alias gone */

} pmap_stats;

#define pmap_lock(pmap) simple_lock(&pmap->pm_lock)

#define pmap_unlock(pmap) simple_unlock(&pmap->pm_lock)

#define pmap_add_ref(pmap) ++pmap->pm_refcount

#define pmap_del_ref(pmap) --pmap->pm_refcount

#define pmap_refcount(pmap) pmap->pm_refcount

#ifdef PMAP_DEBUG

#define CHECK_SPL() do { \

if ((getsr() & PSL_IPL) < PSL_IPL4) \

Line 1486 pmap_common_init(pmap_t pmap)

Line 1481 pmap_common_init(pmap_t pmap)

pmap->pm_refcount = 1;

pmap->pm_version = pmap_version++;

pmap->pm_ctxnum = EMPTY_CONTEXT;

simple_lock_init(&pmap->pm_lock);

}

Line 1900 pmap_destroy(pmap_t pmap)

Line 1894 pmap_destroy(pmap_t pmap)

#endif

if (pmap == kernel_pmap)

panic("pmap_destroy: kernel_pmap!");

pmap_lock(pmap);

count = atomic_dec_uint_nv(&pmap->pm_refcount);

count = pmap_del_ref(pmap);

pmap_unlock(pmap);

if (count == 0) {

pmap_release(pmap);

pool_put(&pmap_pmap_pool, pmap);

Line 1915 pmap_destroy(pmap_t pmap)

Line 1907 pmap_destroy(pmap_t pmap)

void

pmap_reference(pmap_t pmap)

{

pmap_lock(pmap);

pmap_add_ref(pmap);

atomic_inc_uint(&pmap->pm_refcount);

pmap_unlock(pmap);

}

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