AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-24 21:30:53 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

kvm: update_memslots: drop not needed check for the same number of pages

Browse Source 
if number of pages haven't changed sorting algorithm
will do nothing, so there is no need to do extra check
to avoid entering sorting logic.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Igor Mammedov 2014-12-01 17:29:23 +00:00 committed by Paolo Bonzini
parent 45c3094a64
commit 5a38b6e6b4
1 changed files with 13 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
virt/kvm/kvm_main.c
View File

@ -679,21 +679,19 @@ static void update_memslots(struct kvm_memslots *slots,
struct kvm_memory_slot *mslots = slots->memslots;
WARN_ON(mslots[i].id != id);
if (new->npages != mslots[i].npages) {
if (new->npages < mslots[i].npages) {
while (i < KVM_MEM_SLOTS_NUM - 1 &&
new->npages < mslots[i + 1].npages) {
mslots[i] = mslots[i + 1];
slots->id_to_index[mslots[i].id] = i;
i++;
}
} else {
while (i > 0 &&
new->npages > mslots[i - 1].npages) {
mslots[i] = mslots[i - 1];
slots->id_to_index[mslots[i].id] = i;
i--;
}
if (new->npages < mslots[i].npages) {
while (i < KVM_MEM_SLOTS_NUM - 1 &&
new->npages < mslots[i + 1].npages) {
mslots[i] = mslots[i + 1];
slots->id_to_index[mslots[i].id] = i;
i++;
}
} else {
while (i > 0 &&
new->npages > mslots[i - 1].npages) {
mslots[i] = mslots[i - 1];
slots->id_to_index[mslots[i].id] = i;
i--;
}
}