kexec, vmalloc: export additional vmalloc layer information

[karo-tx-linux.git] / kernel / kexec.c

diff --git a/kernel/kexec.c b/kernel/kexec.c
index bddd3d7a74b688a1c9c2e68481b77363558124c7..6c33276f75b06ba4a1d2f52c9dd0b48ccfedc8fb 100644 (file)
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -1118,12 +1118,8 @@ void __weak crash_free_reserved_phys_range(unsigned long begin,
 {
        unsigned long addr;
 
-       for (addr = begin; addr < end; addr += PAGE_SIZE) {
-               ClearPageReserved(pfn_to_page(addr >> PAGE_SHIFT));
-               init_page_count(pfn_to_page(addr >> PAGE_SHIFT));
-               free_page((unsigned long)__va(addr));
-               totalram_pages++;
-       }
+       for (addr = begin; addr < end; addr += PAGE_SIZE)
+               free_reserved_page(pfn_to_page(addr >> PAGE_SHIFT));
 }
 
 int crash_shrink_memory(unsigned long new_size)
@@ -1489,7 +1485,7 @@ static int __init crash_save_vmcoreinfo_init(void)
        VMCOREINFO_SYMBOL(swapper_pg_dir);
 #endif
        VMCOREINFO_SYMBOL(_stext);
-       VMCOREINFO_SYMBOL(vmlist);
+       VMCOREINFO_SYMBOL(vmap_area_list);
 
 #ifndef CONFIG_NEED_MULTIPLE_NODES
        VMCOREINFO_SYMBOL(mem_map);
@@ -1527,7 +1523,8 @@ static int __init crash_save_vmcoreinfo_init(void)
        VMCOREINFO_OFFSET(free_area, free_list);
        VMCOREINFO_OFFSET(list_head, next);
        VMCOREINFO_OFFSET(list_head, prev);
-       VMCOREINFO_OFFSET(vm_struct, addr);
+       VMCOREINFO_OFFSET(vmap_area, va_start);
+       VMCOREINFO_OFFSET(vmap_area, list);
        VMCOREINFO_LENGTH(zone.free_area, MAX_ORDER);
        log_buf_kexec_setup();
        VMCOREINFO_LENGTH(free_area.free_list, MIGRATE_TYPES);