Right now we seem to be exporting the max data size contained inside vmcoreinfo note. But this does not include the size of meta data around vmcore info data. Like name of the note and starting and ending elf_note. I think user space expects total size and that size is put in PT_NOTE elf header. Signed-off-by: Vivek Goyal <vgoyal at redhat.com> --- kernel/ksysfs.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c index 9659d38..d945a94 100644 --- a/kernel/ksysfs.c +++ b/kernel/ksysfs.c @@ -126,7 +126,7 @@ static ssize_t vmcoreinfo_show(struct kobject *kobj, { return sprintf(buf, "%lx %x\n", paddr_vmcoreinfo_note(), - (unsigned int)vmcoreinfo_max_size); + (unsigned int)sizeof(vmcoreinfo_note)); } KERNEL_ATTR_RO(vmcoreinfo); -- 1.7.7.6