diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/firmware/efi/unaccepted_memory.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/firmware/efi/unaccepted_memory.c b/drivers/firmware/efi/unaccepted_memory.c index 853f7dc3c21d..79ba576b22e3 100644 --- a/drivers/firmware/efi/unaccepted_memory.c +++ b/drivers/firmware/efi/unaccepted_memory.c @@ -3,6 +3,7 @@ #include <linux/efi.h> #include <linux/memblock.h> #include <linux/spinlock.h> +#include <linux/crash_dump.h> #include <asm/unaccepted_memory.h> /* Protects unaccepted memory bitmap */ @@ -145,3 +146,22 @@ bool range_contains_unaccepted_memory(phys_addr_t start, phys_addr_t end) return ret; } + +#ifdef CONFIG_PROC_VMCORE +static bool unaccepted_memory_vmcore_pfn_is_ram(struct vmcore_cb *cb, + unsigned long pfn) +{ + return !pfn_is_unaccepted_memory(pfn); +} + +static struct vmcore_cb vmcore_cb = { + .pfn_is_ram = unaccepted_memory_vmcore_pfn_is_ram, +}; + +static int __init unaccepted_memory_init_kdump(void) +{ + register_vmcore_cb(&vmcore_cb); + return 0; +} +core_initcall(unaccepted_memory_init_kdump); +#endif /* CONFIG_PROC_VMCORE */ |