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Commitc9b8b07cde(KVM: x86: Dynamically allocate per-vCPU emulation context) tries to allocate per-vCPU emulation context dynamically, however, the x86_emulator slab cache is still exiting after the kvm module is unload as below after destroying the VM and unloading the kvm module. grep x86_emulator /proc/slabinfo x86_emulator 36 36 2672 12 8 : tunables 0 0 0 : slabdata 3 3 0 This patch fixes this slab cache leak by destroying the x86_emulator slab cache when the kvm module is unloaded. Fixes:c9b8b07cde(KVM: x86: Dynamically allocate per-vCPU emulation context) Cc: stable@vger.kernel.org Signed-off-by: Wanpeng Li <wanpengli@tencent.com> Message-Id: <1623387573-5969-1-git-send-email-wanpengli@tencent.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.