diff options
author | Russell King <rmk@armlinux.org.uk> | 2016-06-17 20:44:42 +0100 |
---|---|---|
committer | Simon Horman <horms@verge.net.au> | 2016-06-23 09:40:58 +0900 |
commit | 4db7f295d59651ead1f7632198fe8c113a2e8890 (patch) | |
tree | 572168a3c9864ee7f5b264fba1e3be61d5021f7c /kexec/arch/arm/kexec-zImage-arm.c | |
parent | fe9b19d49be88e771a06ee4519d420db946ae3f3 (diff) |
arm: fix kernel image size
If we want to assume that the compressed image will expand by a maximum
of 4x, we actually need to reserve 5x the space, since we need to keep
a copy of the compessed image around while decompressing.
Signed-off-by: Russell King <rmk@armlinux.org.uk>
Reviewed-by: Pratyush Anand <panand@redhat.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Diffstat (limited to 'kexec/arch/arm/kexec-zImage-arm.c')
-rw-r--r-- | kexec/arch/arm/kexec-zImage-arm.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kexec/arch/arm/kexec-zImage-arm.c b/kexec/arch/arm/kexec-zImage-arm.c index 297b7fd..9400d1f 100644 --- a/kexec/arch/arm/kexec-zImage-arm.c +++ b/kexec/arch/arm/kexec-zImage-arm.c @@ -526,8 +526,10 @@ int zImage_arm_load(int argc, char **argv, const char *buf, off_t len, initrd_base = kernel_base + _ALIGN(kexec_arm_image_size, getpagesize()); } else { /* Otherwise, assume the maximum kernel compression ratio - * is 4, and just to be safe, place ramdisk after that */ - initrd_base = kernel_base + _ALIGN(len * 4, getpagesize()); + * is 4, and just to be safe, place ramdisk after that. + * Note that we must include space for the compressed + * image here as well. */ + initrd_base = kernel_base + _ALIGN(len * 5, getpagesize()); } if (use_atags) { |