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-rw-r--r--include/linux/efi.h13
1 files changed, 10 insertions, 3 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 2b3b33c83b05..4f27640fdcdc 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -1712,9 +1712,16 @@ extern struct efi_runtime_work efi_rts_work;
extern struct workqueue_struct *efi_rts_wq;
struct linux_efi_memreserve {
- phys_addr_t next;
- phys_addr_t base;
- phys_addr_t size;
+ int size; // allocated size of the array
+ atomic_t count; // number of entries used
+ phys_addr_t next; // pa of next struct instance
+ struct {
+ phys_addr_t base;
+ phys_addr_t size;
+ } entry[0];
};
+#define EFI_MEMRESERVE_SIZE(count) (sizeof(struct linux_efi_memreserve) + \
+ (count) * sizeof(((struct linux_efi_memreserve *)0)->entry[0]))
+
#endif /* _LINUX_EFI_H */