summaryrefslogtreecommitdiff
path: root/kernel/kexec_core.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/kexec_core.c')
-rw-r--r--kernel/kexec_core.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c
index 6e0f022987ff..2f039a7d9af9 100644
--- a/kernel/kexec_core.c
+++ b/kernel/kexec_core.c
@@ -278,8 +278,8 @@ int kimage_is_destination_range(struct kimage *image,
unsigned long mstart, mend;
mstart = image->segment[i].mem;
- mend = mstart + image->segment[i].memsz;
- if ((end > mstart) && (start < mend))
+ mend = mstart + image->segment[i].memsz - 1;
+ if ((end >= mstart) && (start <= mend))
return 1;
}
@@ -372,7 +372,7 @@ static struct page *kimage_alloc_normal_control_pages(struct kimage *image,
pfn = page_to_boot_pfn(pages);
epfn = pfn + count;
addr = pfn << PAGE_SHIFT;
- eaddr = epfn << PAGE_SHIFT;
+ eaddr = (epfn << PAGE_SHIFT) - 1;
if ((epfn >= (KEXEC_CONTROL_MEMORY_LIMIT >> PAGE_SHIFT)) ||
kimage_is_destination_range(image, addr, eaddr)) {
list_add(&pages->lru, &extra_pages);
@@ -718,7 +718,7 @@ static struct page *kimage_alloc_page(struct kimage *image,
/* If the page is not a destination page use it */
if (!kimage_is_destination_range(image, addr,
- addr + PAGE_SIZE))
+ addr + PAGE_SIZE - 1))
break;
/*