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KVM: Shrink struct kvm_mmu_memory_cache 

Move the 'capacity' member around to make use of the padding hole on 64
bit systems instead of introducing yet another one.

This allows us to save 8 bytes per instance for 64 bit builds of which,
e.g., x86's struct kvm_vcpu_arch has a few.

Signed-off-by: Mathias Krause <minipli@grsecurity.net>
Link: https://lore.kernel.org/r/20230217193336.15278-3-minipli@grsecurity.net
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Mathias Krause 2023-02-17 20:33:36 +01:00 committed by Sean Christopherson
parent 14aa40a1d0
commit f530b531fb
1 changed files with 1 additions and 1 deletions
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2
include/linux/kvm_types.h
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@ -91,11 +91,11 @@ struct gfn_to_pfn_cache {
* is topped up (__kvm_mmu_topup_memory_cache()).
*/
struct kvm_mmu_memory_cache {
int nobjs;
gfp_t gfp_zero;
gfp_t gfp_custom;
struct kmem_cache *kmem_cache;
int capacity;
int nobjs;
void **objects;
};
#endif