From: kernel test robot <lkp(a)intel.com&gt; arch/x86/kvm/mmu/page_track.c:95:39-45: ERROR: application of sizeof to pointer sizeof when applied to a pointer typed expression gives the size of the pointer Generated by: scripts/coccinelle/misc/noderef.cocci CC: David Stevens <stevensd(a)chromium.org&gt; Reported-by: kernel test robot <lkp(a)intel.com&gt; Signed-off-by: kernel test robot <lkp(a)intel.com&gt; --- tree: https://github.com/0day-ci/linux/commits/David-Stevens/KVM-x86-skip-gfn_t... head: e8c58ba667b80c8c238fb54320c7f774c631dfd5 commit: e8c58ba667b80c8c238fb54320c7f774c631dfd5 KVM: x86: only allocate gfn_track when necessary :::::: branch date: 8 weeks ago :::::: commit date: 8 weeks ago page_track.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/arch/x86/kvm/mmu/page_track.c +++ b/arch/x86/kvm/mmu/page_track.c @@ -92,7 +92,8 @@ int kvm_page_track_enable_mmu_write_trac slots = __kvm_memslots(kvm, i); kvm_for_each_memslot(slot, slots) { gfn_track = slot->arch.gfn_track + KVM_PAGE_TRACK_WRITE; - *gfn_track = kvcalloc(slot->npages, sizeof(*gfn_track), + *gfn_track = kvcalloc(slot->npages, + sizeof(**gfn_track), GFP_KERNEL_ACCOUNT); if (*gfn_track == NULL) { mutex_unlock(&kvm->slots_arch_lock);