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Diffstat (limited to 'include/linux/crash_reserve.h')
-rw-r--r--include/linux/crash_reserve.h26
1 files changed, 19 insertions, 7 deletions
diff --git a/include/linux/crash_reserve.h b/include/linux/crash_reserve.h
index 5a9df944fb80..7b44b41d0a20 100644
--- a/include/linux/crash_reserve.h
+++ b/include/linux/crash_reserve.h
@@ -13,10 +13,23 @@
*/
extern struct resource crashk_res;
extern struct resource crashk_low_res;
+extern struct range crashk_cma_ranges[];
+#if defined(CONFIG_CMA) && defined(CONFIG_ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATION)
+#define CRASHKERNEL_CMA
+#define CRASHKERNEL_CMA_RANGES_MAX 4
+extern int crashk_cma_cnt;
+#else
+#define crashk_cma_cnt 0
+#define CRASHKERNEL_CMA_RANGES_MAX 0
+#endif
+
int __init parse_crashkernel(char *cmdline, unsigned long long system_ram,
unsigned long long *crash_size, unsigned long long *crash_base,
- unsigned long long *low_size, bool *high);
+ unsigned long long *low_size, unsigned long long *cma_size,
+ bool *high);
+
+void __init reserve_crashkernel_cma(unsigned long long cma_size);
#ifdef CONFIG_ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATION
#ifndef DEFAULT_CRASH_KERNEL_LOW_SIZE
@@ -32,13 +45,12 @@ int __init parse_crashkernel(char *cmdline, unsigned long long system_ram,
#define CRASH_ADDR_HIGH_MAX memblock_end_of_DRAM()
#endif
-void __init reserve_crashkernel_generic(char *cmdline,
- unsigned long long crash_size,
- unsigned long long crash_base,
- unsigned long long crash_low_size,
- bool high);
+void __init reserve_crashkernel_generic(unsigned long long crash_size,
+ unsigned long long crash_base,
+ unsigned long long crash_low_size,
+ bool high);
#else
-static inline void __init reserve_crashkernel_generic(char *cmdline,
+static inline void __init reserve_crashkernel_generic(
unsigned long long crash_size,
unsigned long long crash_base,
unsigned long long crash_low_size,