xec_core.c~kernel-kexec-fix-ima-when-allocation-happens-in-cma-area
+++ a/kernel/kexec_core.c
@@ -960,13 +960,17 @@ void *kimage_map_segment(struct kimage *
 	kimage_entry_t *ptr, entry;
 	struct page **src_pages;
 	unsigned int npages;
+	struct page *cma;
 	void *vaddr = NULL;
 	int i;
 
+	cma = image->segment_cma[idx];
+	if (cma)
+		return page_address(cma);
+
 	addr = image->segment[idx].mem;
 	size = image->segment[idx].memsz;
 	eaddr = addr + size;
-
 	/*
 	 * Collect the source pages and map them in a contiguous VA range.
 	 */
@@ -1007,7 +1011,8 @@ void *kimage_map_segment(struct kimage *
 
 void kimage_unmap_segment(void *segment_buffer)
 {
-	vunmap(segment_buffer);
+	if (is_vmalloc_addr(segment_buffer))
+		vunmap(segment_buffer);
 }
 
 struct kexec_load_limit {
_

Patches currently in -mm which might be from piliu@redhat.com are[merged mm-hotfixes-stable] kernel-kexec-fix-ima-when-allocation-happens-in-cma-area.patch removed from -mm treeAndrew Morton <akpm@linux-foundation.org> undefinedmm-commits@vger.kernel.org,zohar@linux.ibm.com,stable@vger.kernel.org,roberto.sassu@huawei.com,graf@amazon.com,chenste@linux.microsoft.com,bhe@redhat.com,piliu@redhat.com,akpm@linux-foundation.org undefined undefined undefined undefined undefined undefined undefined undefinedĽ