s390/kexec: consolidate crash_map/unmap_reserved_pages() and arch_kexec_protect(unpro...

[cascardo/linux.git] / kernel / kexec_core.c

diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c
index 48b73cc..56b3ed0 100644 (file)
--- a/kernel/kexec_core.c
+++ b/kernel/kexec_core.c
@@ -954,7 +954,6 @@ int crash_shrink_memory(unsigned long new_size)
        start = roundup(start, KEXEC_CRASH_MEM_ALIGN);
        end = roundup(start + new_size, KEXEC_CRASH_MEM_ALIGN);
 
-       crash_map_reserved_pages();
        crash_free_reserved_phys_range(end, crashk_res.end);
 
        if ((start == end) && (crashk_res.parent != NULL))
@@ -968,7 +967,6 @@ int crash_shrink_memory(unsigned long new_size)
        crashk_res.end = end - 1;
 
        insert_resource(&iomem_resource, ram_res);
-       crash_unmap_reserved_pages();
 
 unlock:
        mutex_unlock(&kexec_mutex);
@@ -1553,17 +1551,12 @@ int kernel_kexec(void)
 }
 
 /*
- * Add and remove page tables for crashkernel memory
+ * Protection mechanism for crashkernel reserved memory after
+ * the kdump kernel is loaded.
  *
  * Provide an empty default implementation here -- architecture
  * code may override this
  */
-void __weak crash_map_reserved_pages(void)
-{}
-
-void __weak crash_unmap_reserved_pages(void)
-{}
-
 void __weak arch_kexec_protect_crashkres(void)
 {}