Merge with temp tree to get David's gdb inferior calls patch

2 files changed, 18 insertions, 6 deletions

diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index d30cdb4248a9..f5a5bc09b8fa 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -20,6 +20,11 @@
 #include <asm/pgalloc.h>
 #include <asm/uaccess.h>
 
+static char *sender = "VMRMSVM";
+module_param(sender, charp, 0);
+MODULE_PARM_DESC(sender,
+                 "Guest name that may send SMSG messages (default VMRMSVM)");
+
 #include "../../../drivers/s390/net/smsgiucv.h"
 
 #define CMM_NR_PAGES ((PAGE_SIZE / sizeof(unsigned long)) - 2)
@@ -367,10 +372,12 @@ static struct ctl_table cmm_dir_table[] = {
 #ifdef CONFIG_CMM_IUCV
 #define SMSG_PREFIX "CMM"
 static void
-cmm_smsg_target(char *msg)
+cmm_smsg_target(char *from, char *msg)
 {
         long pages, seconds;
 
+        if (strlen(sender) > 0 && strcmp(from, sender) != 0)
+                return;
         if (!cmm_skip_blanks(msg + strlen(SMSG_PREFIX), &msg))
                 return;
         if (strncmp(msg, "SHRINK", 6) == 0) {
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 8e723bc7f795..6ec5cd981e74 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -101,6 +101,7 @@ extern unsigned long _end;
 extern unsigned long __init_begin;
 extern unsigned long __init_end;
 
+extern unsigned long __initdata zholes_size[];
 /*
  * paging_init() sets up the page tables
  */
@@ -163,10 +164,13 @@ void __init paging_init(void)
         local_flush_tlb();
 
         {
-                unsigned long zones_size[MAX_NR_ZONES] = { 0, 0, 0};
+                unsigned long zones_size[MAX_NR_ZONES];
 
+                memset(zones_size, 0, sizeof(zones_size));
                 zones_size[ZONE_DMA] = max_low_pfn;
-                free_area_init(zones_size);
+                free_area_init_node(0, &contig_page_data, zones_size,
+                                    __pa(PAGE_OFFSET) >> PAGE_SHIFT,
+                                    zholes_size);
         }
         return;
 }
@@ -184,9 +188,10 @@ void __init paging_init(void)
           _KERN_REGION_TABLE;
         static const int ssm_mask = 0x04000000L;
 
-        unsigned long zones_size[MAX_NR_ZONES] = {0, 0, 0};
+        unsigned long zones_size[MAX_NR_ZONES];
         unsigned long dma_pfn, high_pfn;
 
+        memset(zones_size, 0, sizeof(zones_size));
         dma_pfn = MAX_DMA_ADDRESS >> PAGE_SHIFT;
         high_pfn = max_low_pfn;
 
@@ -198,8 +203,8 @@ void __init paging_init(void)
         }
 
         /* Initialize mem_map[].  */
-        free_area_init(zones_size);
-
+        free_area_init_node(0, &contig_page_data, zones_size,
+                            __pa(PAGE_OFFSET) >> PAGE_SHIFT, zholes_size);
 
         /*
          * map whole physical memory to virtual memory (identity mapping)