.end = 0,
.flags = IORESOURCE_BUSY | IORESOURCE_MEM
};
+struct resource crashk_low_res = {
+ .name = "Crash kernel low",
+ .start = 0,
+ .end = 0,
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM
+};
int kexec_should_crash(struct task_struct *p)
{
if (hole_end > KEXEC_CRASH_CONTROL_MEMORY_LIMIT)
break;
- if (hole_end > crashk_res.end)
- break;
/* See if I overlap any of the segments */
for (i = 0; i < image->nr_segments; i++) {
unsigned long mstart, mend;
* That function is the entry point for command line parsing and should be
* called from the arch-specific code.
*/
-int __init parse_crashkernel(char *cmdline,
+static int __init __parse_crashkernel(char *cmdline,
unsigned long long system_ram,
unsigned long long *crash_size,
- unsigned long long *crash_base)
+ unsigned long long *crash_base,
+ const char *name)
{
char *p = cmdline, *ck_cmdline = NULL;
char *first_colon, *first_space;
*crash_base = 0;
/* find crashkernel and use the last one if there are more */
- p = strstr(p, "crashkernel=");
+ p = strstr(p, name);
while (p) {
ck_cmdline = p;
- p = strstr(p+1, "crashkernel=");
+ p = strstr(p+1, name);
}
if (!ck_cmdline)
return -EINVAL;
- ck_cmdline += 12; /* strlen("crashkernel=") */
+ ck_cmdline += strlen(name);
/*
* if the commandline contains a ':', then that's the extended
return 0;
}
+int __init parse_crashkernel(char *cmdline,
+ unsigned long long system_ram,
+ unsigned long long *crash_size,
+ unsigned long long *crash_base)
+{
+ return __parse_crashkernel(cmdline, system_ram, crash_size, crash_base,
+ "crashkernel=");
+}
+
+int __init parse_crashkernel_low(char *cmdline,
+ unsigned long long system_ram,
+ unsigned long long *crash_size,
+ unsigned long long *crash_base)
+{
+ return __parse_crashkernel(cmdline, system_ram, crash_size, crash_base,
+ "crashkernel_low=");
+}
static void update_vmcoreinfo_note(void)
{
VMCOREINFO_OFFSET(page, _count);
VMCOREINFO_OFFSET(page, mapping);
VMCOREINFO_OFFSET(page, lru);
+ VMCOREINFO_OFFSET(page, _mapcount);
+ VMCOREINFO_OFFSET(page, private);
VMCOREINFO_OFFSET(pglist_data, node_zones);
VMCOREINFO_OFFSET(pglist_data, nr_zones);
#ifdef CONFIG_FLAT_NODE_MEM_MAP
VMCOREINFO_NUMBER(PG_lru);
VMCOREINFO_NUMBER(PG_private);
VMCOREINFO_NUMBER(PG_swapcache);
+ VMCOREINFO_NUMBER(PG_slab);
+ VMCOREINFO_NUMBER(PAGE_BUDDY_MAPCOUNT_VALUE);
arch_crash_save_vmcoreinfo();
update_vmcoreinfo_note();