[linux-morello] Re: [PATCH v3 04/25] mm/cap_addr_mgmt: Add capability reservation interfaces in VMA

On 15/04/2024 15:21, Amit Daniel Kachhap wrote:

+#define reserv_vma_reserv_info(vma) \ +({ \

• struct reserv_struct __tmp = {0}; \
• test_bit(MMF_PCUABI_RESERV, &vma->vm_mm->flags) \

• ? vma->reserv_data : __tmp;				\
  

reserv_data is always zero-initialised, so I think we can return vma->reserv_data unconditionally. Besides calls to this function are always guarded by reserv_is_supported().

Kevin

+})