]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: fe8c1c0) | patch
KVM: use __vcalloc for very large allocations
authorPaolo Bonzini <pbonzini@redhat.com>
Tue, 8 Mar 2022 09:49:37 +0000 (04:49 -0500)
committerPaolo Bonzini <pbonzini@redhat.com>
Tue, 8 Mar 2022 14:30:57 +0000 (09:30 -0500)
commit27144c78bed89e44c111196d6fe0bd7142d4a14d
treefb2d48b31b583fff946d7472ecfb8d89ad70f7fetree | snapshot
parentfe8c1c00bc5798ed1b31c2680bd36a8e56bc6710commit | diff
KVM: use __vcalloc for very large allocations

Allocations whose size is related to the memslot size can be arbitrarily
large.  Do not use kvzalloc/kvcalloc, as those are limited to "not crazy"
sizes that fit in 32 bits.

Cc: stable@vger.kernel.org
Fixes: b21ae08a2ad1 ("mm: don't allow oversized kvmalloc() calls")
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/powerpc/kvm/book3s_hv_uvmem.c diff | blob | history
arch/x86/kvm/mmu/page_track.c diff | blob | history
arch/x86/kvm/x86.c diff | blob | history
virt/kvm/kvm_main.c diff | blob | history
Linux Kernel Source Tree.