diff options
author | Kumar Gala <galak@kernel.crashing.org> | 2007-02-12 23:57:21 -0600 |
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committer | Kumar Gala <galak@kernel.crashing.org> | 2007-02-12 23:57:21 -0600 |
commit | 54c66f6d781e03dc0b23956234963c4911e6d1c0 (patch) | |
tree | 40619a66ae6d8703a57bf681d087ffeabbffd346 /init/initramfs.c | |
parent | 8ce0a7df6e6117d8814e976d4b7ce6a6b2c9cf93 (diff) | |
parent | 17e0e27020d028a790d97699aff85a43af5be472 (diff) |
Merge branch 'master' into 85xx
Diffstat (limited to 'init/initramfs.c')
-rw-r--r-- | init/initramfs.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/init/initramfs.c b/init/initramfs.c index 4fa0f7977de..00eff7a1108 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -491,6 +491,17 @@ static char * __init unpack_to_rootfs(char *buf, unsigned len, int check_only) return message; } +static int __initdata do_retain_initrd; + +static int __init retain_initrd_param(char *str) +{ + if (*str) + return 0; + do_retain_initrd = 1; + return 1; +} +__setup("retain_initrd", retain_initrd_param); + extern char __initramfs_start[], __initramfs_end[]; #ifdef CONFIG_BLK_DEV_INITRD #include <linux/initrd.h> @@ -501,7 +512,11 @@ static void __init free_initrd(void) #ifdef CONFIG_KEXEC unsigned long crashk_start = (unsigned long)__va(crashk_res.start); unsigned long crashk_end = (unsigned long)__va(crashk_res.end); +#endif + if (do_retain_initrd) + goto skip; +#ifdef CONFIG_KEXEC /* * If the initrd region is overlapped with crashkernel reserved region, * free only memory that is not part of crashkernel region. @@ -519,7 +534,7 @@ static void __init free_initrd(void) } else #endif free_initrd_mem(initrd_start, initrd_end); - +skip: initrd_start = 0; initrd_end = 0; } |