Author: markj
Date: Wed Jul 10 22:52:26 2019
New Revision: 349897
URL: https://svnweb.freebsd.org/changeset/base/349897
Log:
Rename pmap_page_dirty() to pmap_pte_dirty().
This is a precursor to implementing dirty bit management.
Discussed with: alc
MFC after: 1 week
Sponsored by: The FreeBSD Foundation
Modified:
head/sys/arm64/arm64/pmap.c
Modified: head/sys/arm64/arm64/pmap.c
==============================================================================
--- head/sys/arm64/arm64/pmap.c Wed Jul 10 22:36:14 2019 (r349896)
+++ head/sys/arm64/arm64/pmap.c Wed Jul 10 22:52:26 2019 (r349897)
@@ -536,7 +536,7 @@ CTASSERT(L1_BLOCK == L2_BLOCK);
* arm64 so for now assume is a page mapped as rw was accessed it is.
*/
static inline int
-pmap_page_dirty(pt_entry_t pte)
+pmap_pte_dirty(pt_entry_t pte)
{
return ((pte & (ATTR_AF | ATTR_AP_RW_BIT)) ==
@@ -1952,7 +1952,7 @@ reclaim_pv_chunk(pmap_t locked_pmap, struct rwlock **l
tpte = pmap_load_clear(pte);
pmap_invalidate_page(pmap, va);
m = PHYS_TO_VM_PAGE(tpte & ~ATTR_MASK);
- if (pmap_page_dirty(tpte))
+ if (pmap_pte_dirty(tpte))
vm_page_dirty(m);
if ((tpte & ATTR_AF) != 0)
vm_page_aflag_set(m, PGA_REFERENCED);
@@ -2449,7 +2449,7 @@ pmap_remove_l2(pmap_t pmap, pt_entry_t *l2, vm_offset_
eva = sva + L2_SIZE;
for (va = sva, m = PHYS_TO_VM_PAGE(old_l2 & ~ATTR_MASK);
va < eva; va += PAGE_SIZE, m++) {
- if (pmap_page_dirty(old_l2))
+ if (pmap_pte_dirty(old_l2))
vm_page_dirty(m);
if (old_l2 & ATTR_AF)
vm_page_aflag_set(m, PGA_REFERENCED);
@@ -2494,7 +2494,7 @@ pmap_remove_l3(pmap_t pmap, pt_entry_t *l3, vm_offset_
pmap_resident_count_dec(pmap, 1);
if (old_l3 & ATTR_SW_MANAGED) {
m = PHYS_TO_VM_PAGE(old_l3 & ~ATTR_MASK);
- if (pmap_page_dirty(old_l3))
+ if (pmap_pte_dirty(old_l3))
vm_page_dirty(m);
if (old_l3 & ATTR_AF)
vm_page_aflag_set(m, PGA_REFERENCED);
@@ -2542,7 +2542,7 @@ pmap_remove_l3_range(pmap_t pmap, pd_entry_t l2e, vm_o
pmap_resident_count_dec(pmap, 1);
if ((old_l3 & ATTR_SW_MANAGED) != 0) {
m = PHYS_TO_VM_PAGE(old_l3 & ~ATTR_MASK);
- if (pmap_page_dirty(old_l3))
+ if (pmap_pte_dirty(old_l3))
vm_page_dirty(m);
if ((old_l3 & ATTR_AF) != 0)
vm_page_aflag_set(m, PGA_REFERENCED);
@@ -2771,7 +2771,7 @@ retry:
/*
* Update the vm_page_t clean and reference bits.
*/
- if (pmap_page_dirty(tpte))
+ if (pmap_pte_dirty(tpte))
vm_page_dirty(m);
pmap_unuse_pt(pmap, pv->pv_va, tpde, &free);
TAILQ_REMOVE(&m->md.pv_list, pv, pv_next);
@@ -2814,7 +2814,7 @@ pmap_protect_l2(pmap_t pmap, pt_entry_t *l2, vm_offset
*/
if ((nbits & ATTR_AP(ATTR_AP_RO)) != 0 &&
(old_l2 & ATTR_SW_MANAGED) != 0 &&
- pmap_page_dirty(old_l2)) {
+ pmap_pte_dirty(old_l2)) {
m = PHYS_TO_VM_PAGE(old_l2 & ~ATTR_MASK);
for (mt = m; mt < &m[L2_SIZE / PAGE_SIZE]; mt++)
vm_page_dirty(mt);
@@ -2922,7 +2922,7 @@ pmap_protect(pmap_t pmap, vm_offset_t sva, vm_offset_t
*/
if ((nbits & ATTR_AP(ATTR_AP_RO)) != 0 &&
(l3 & ATTR_SW_MANAGED) != 0 &&
- pmap_page_dirty(l3))
+ pmap_pte_dirty(l3))
vm_page_dirty(PHYS_TO_VM_PAGE(l3 & ~ATTR_MASK));
pmap_set(l3p, nbits);
@@ -3279,7 +3279,7 @@ havel3:
* concurrent calls to pmap_page_test_mappings() and
* pmap_ts_referenced().
*/
- if (pmap_page_dirty(orig_l3))
+ if (pmap_pte_dirty(orig_l3))
vm_page_dirty(om);
if ((orig_l3 & ATTR_AF) != 0)
vm_page_aflag_set(om, PGA_REFERENCED);
@@ -3344,7 +3344,7 @@ validate:
/* same PA, different attributes */
pmap_load_store(l3, new_l3);
pmap_invalidate_page(pmap, va);
- if (pmap_page_dirty(orig_l3) &&
+ if (pmap_pte_dirty(orig_l3) &&
(orig_l3 & ATTR_SW_MANAGED) != 0)
vm_page_dirty(m);
} else {
@@ -4684,7 +4684,7 @@ retry:
("pmap_ts_referenced: found an invalid l1 table"));
pte = pmap_l1_to_l2(pde, pv->pv_va);
tpte = pmap_load(pte);
- if (pmap_page_dirty(tpte)) {
+ if (pmap_pte_dirty(tpte)) {
/*
* Although "tpte" is mapping a 2MB page, because
* this function is called at a 4KB page granularity,
@@ -4788,7 +4788,7 @@ small_mappings:
("pmap_ts_referenced: found an invalid l2 table"));
pte = pmap_l2_to_l3(pde, pv->pv_va);
tpte = pmap_load(pte);
- if (pmap_page_dirty(tpte))
+ if (pmap_pte_dirty(tpte))
vm_page_dirty(m);
if ((tpte & ATTR_AF) != 0) {
if (safe_to_clear_referenced(pmap, tpte)) {
@@ -5454,7 +5454,7 @@ retry:
val = MINCORE_INCORE;
if (lvl != 3)
val |= MINCORE_SUPER;
- if (pmap_page_dirty(tpte))
+ if (pmap_pte_dirty(tpte))
val |= MINCORE_MODIFIED | MINCORE_MODIFIED_OTHER;
if ((tpte & ATTR_AF) == ATTR_AF)
val |= MINCORE_REFERENCED | MINCORE_REFERENCED_OTHER;
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