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vmm: defrag file mappings too

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Matheus
2024-06-30 12:12:17 -03:00
parent 48ebc6c0ce
commit a8a097192d
1 changed files with 12 additions and 6 deletions
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kernel-src/mm/vmm.c
+12 -6
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@@ -182,11 +182,9 @@ static void insertrange(vmmspace_t *space, vmmrange_t *newrange) {
newrange->next = NULL;
fragcheck:
// TODO range type specific stuff
if (newrange->flags & VMM_FLAGS_FILE)
return;
if (newrange->next && newrange->next->start == newrangetop && newrange->flags == newrange->next->flags && newrange->mmuflags == newrange->next->mmuflags) {
// join new range and the next
if (newrange->next && newrange->next->start == newrangetop && newrange->flags == newrange->next->flags && newrange->mmuflags == newrange->next->mmuflags
&& ((newrange->flags & VMM_FLAGS_FILE) == 0 || (newrange->vnode == newrange->next->vnode && newrange->offset + newrange->size == newrange->next->offset))) {
vmmrange_t *oldrange = newrange->next;
newrange->size += oldrange->size;
newrange->next = oldrange->next;
@@ -194,9 +192,14 @@ static void insertrange(vmmspace_t *space, vmmrange_t *newrange) {
oldrange->next->prev = newrange;
freerange(oldrange);
if (newrange->flags & VMM_FLAGS_FILE) {
VOP_RELEASE(newrange->vnode);
}
}
if (newrange->prev && RANGE_TOP(newrange->prev) == newrange->start && newrange->flags == newrange->prev->flags && newrange->mmuflags == newrange->prev->mmuflags) {
// join new range and the previous
if (newrange->prev && RANGE_TOP(newrange->prev) == newrange->start && newrange->flags == newrange->prev->flags && newrange->mmuflags == newrange->prev->mmuflags
&& ((newrange->flags & VMM_FLAGS_FILE) == 0 || (newrange->vnode == newrange->prev->vnode && newrange->prev->offset + newrange->prev->size == newrange->offset))) {
vmmrange_t *oldrange = newrange->prev;
oldrange->size += newrange->size;
oldrange->next = newrange->next;
@@ -205,6 +208,9 @@ static void insertrange(vmmspace_t *space, vmmrange_t *newrange) {
newrange->next->prev = oldrange;
freerange(newrange);
if (oldrange->flags & VMM_FLAGS_FILE) {
VOP_RELEASE(oldrange->vnode);
}
}
}