#include <linux/kernel.h> #include <linux/crash_dump.h> #include <linux/init.h> #include <linux/errno.h> #include <linux/export.h> /* * If we have booted due to a crash, max_pfn will be a very low value. We need * to know the amount of memory that the previous kernel used. */ unsigned long saved_max_pfn; /* * stores the physical address of elf header of crash image * * Note: elfcorehdr_addr is not just limited to vmcore. It is also used by * is_kdump_kernel() to determine if we are booting after a panic. Hence put * it under CONFIG_CRASH_DUMP and not CONFIG_PROC_VMCORE. */ unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX; EXPORT_SYMBOL_GPL(elfcorehdr_addr); /* * stores the size of elf header of crash image */ unsigned long long elfcorehdr_size; /* * elfcorehdr= specifies the location of elf core header stored by the crashed * kernel. This option will be passed by kexec loader to the capture kernel. * * Syntax: elfcorehdr=[size[KMG]@]offset[KMG] */
static int __init setup_elfcorehdr(char *arg) { char *end; if (!arg) return -EINVAL; elfcorehdr_addr = memparse(arg, &end); if (*end == '@') { elfcorehdr_size = elfcorehdr_addr; elfcorehdr_addr = memparse(end + 1, &end); } return end > arg ? 0 : -EINVAL; }Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Olaf Hering | 44 | 63.77% | 1 | 50.00% |
| Michael Holzheu | 25 | 36.23% | 1 | 50.00% |
| Total | 69 | 100.00% | 2 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Olaf Hering | 78 | 67.24% | 1 | 25.00% |
| Michael Holzheu | 32 | 27.59% | 1 | 25.00% |
| Amir Vadai | 5 | 4.31% | 1 | 25.00% |
| Paul Gortmaker | 1 | 0.86% | 1 | 25.00% |
| Total | 116 | 100.00% | 4 | 100.00% |