diff --git a/kexec/arch/arm64/kexec-arm64.c b/kexec/arch/arm64/kexec-arm64.c
index 04fd3968bb52..c2c8ff1b6940 100644
--- a/kexec/arch/arm64/kexec-arm64.c
+++ b/kexec/arch/arm64/kexec-arm64.c
@@ -24,6 +24,45 @@
 #include "kexec-syscall.h"
 #include "arch/options.h"
 
+/*
+ * kexec creates identity page table to be used in purgatory so that
+ * dcache verification becomes faster.
+ *
+ * These are the definitions to be used by page table creation routine.
+ *
+ * Only 4K page table, 3 level, 2M block mapping, 48bit VA is supported
+ */
+#define PGDIR_SHIFT		39
+#define PUD_SHIFT		30
+#define PMD_SHIFT		21
+#define PTRS_PER_PGD		0x1FF
+#define PTRS_PER_PUD		0x1FF
+#define PTRS_PER_PMD		0x1FF
+#define PMD_TYPE_TABLE		(3UL << 0)
+#define PMD_TYPE_SECT		(1UL << 0)
+#define PMD_SECT_AF		(1UL << 10)
+#define PMD_ATTRINDX(t)		((unsigned long)(t) << 2)
+#define MT_NORMAL		4
+#define PMD_FLAGS_NORMAL	(PMD_TYPE_SECT | PMD_SECT_AF)
+#define MMU_FLAGS_NORMAL	(PMD_ATTRINDX(MT_NORMAL) | PMD_FLAGS_NORMAL)
+#define SECTION_SIZE		(2 * 1024 * 1024)
+#define PAGE_SIZE		(4 * 1024)
+/* Since we are using 3 level of page tables, therefore minimum number of
+ * table will be 3. Most likely we will never need more than 3. Each entry
+ * in level 3 page table can map 2MB memory area. Thus a level 3 page table
+ * indexed by bit 29:21 can map a total of 1G memory area. Therefore, if
+ * any segment crosses 1G boundary, then we will need one more level 3
+ * table. Similarly, level 2 page table indexed by bit 38:30 can map a
+ * total of 512G memory area. If segment addresses are more than 512G apart
+ * then we will need two more table for each such block. We do not expect
+ * any memory segment to cross 512G boundary, however if we will ever wish
+ * to support uart debugging in purgatory then that might cross the
+ * boundary and therefore additional 2 more table space. Thus we will need
+ * maximum of 6 table space.
+ */
+#define MAX_PGTBLE_SZ	(6 * 4096)
+static int next_tbl_cnt = 1;
+
 /* Global varables the core kexec routines expect. */
 
 unsigned char reuse_initrd;
@@ -316,6 +355,117 @@ unsigned long arm64_locate_kernel_segment(struct kexec_info *info)
 	return hole;
 }
 
+static unsigned long *create_table_entry(unsigned long *pgtbl_buf,
+		unsigned long pgtbl_mem, unsigned long *tbl,
+		unsigned long virt, int shift,
+		unsigned long ptrs)
+{
+	unsigned long index, desc, offset;
+
+	index = (virt >> shift) & ptrs;
+	/* check if we have allocated a table already for this index */
+	if (tbl[index]) {
+		/*
+		 * table index will have entry as per purgatory page table
+		 * memory. Find out corresponding buffer address of table.
+		 */
+		desc = tbl[index] & ~3UL;
+		offset = desc - pgtbl_mem;
+		return &pgtbl_buf[offset >> 3];
+	}
+
+	/*
+	 * Always write page table content as per page table memory allocated
+	 * for purgaory area, but return corresponding buffer area alloced
+	 * in kexec
+	 */
+	if (next_tbl_cnt > 5)
+		die("%s: No more memory for page table\n", __func__);
+
+	tbl[index] = (pgtbl_mem + PAGE_SIZE * next_tbl_cnt) | PMD_TYPE_TABLE;
+
+	return &pgtbl_buf[(next_tbl_cnt++ * PAGE_SIZE) >> 3];
+}
+
+static void craete_block_entry(unsigned long *tbl, unsigned long flags,
+		unsigned long phys, unsigned long virt)
+{
+	unsigned long index;
+	unsigned long desc;
+
+	index = (virt >> PMD_SHIFT) & PTRS_PER_PMD;
+	desc = (phys >> PMD_SHIFT) << PMD_SHIFT;
+	desc |= flags;
+	tbl[index] = desc;
+}
+
+static void create_identity_entry(unsigned long *pgtbl_buf,
+		unsigned long pgtbl_mem, unsigned long virt,
+		unsigned long flags)
+{
+	unsigned long *tbl = pgtbl_buf;
+
+	tbl = create_table_entry(pgtbl_buf, pgtbl_mem, tbl, virt,
+			PGDIR_SHIFT, PTRS_PER_PGD);
+	tbl = create_table_entry(pgtbl_buf, pgtbl_mem, tbl, virt,
+			PUD_SHIFT, PTRS_PER_PUD);
+	craete_block_entry(tbl, flags, virt, virt);
+}
+
+/**
+ * arm64_create_pgtbl_segment - Create page table segments to be used by
+ * purgatory. Page table will have entries to access memory area of all
+ * those segments which becomes part of sha verification in purgatory.
+ * Additionaly, we also create page table for purgatory segment as well.
+ */
+
+static int arm64_create_pgtbl_segment(struct kexec_info *info,
+		unsigned long hole_min, unsigned long hole_max)
+{
+	unsigned long *pgtbl_buf;
+	int i;
+	unsigned long mstart, mend, pgtbl_mem;
+	unsigned long purgatory_base, purgatory_len;
+
+	pgtbl_buf = xmalloc(MAX_PGTBLE_SZ);
+	memset(pgtbl_buf, 0, MAX_PGTBLE_SZ);
+	pgtbl_mem = add_buffer_phys_virt(info, pgtbl_buf, MAX_PGTBLE_SZ,
+			MAX_PGTBLE_SZ, PAGE_SIZE, hole_min, hole_max, 1, 0);
+	for (i = 0; i < info->nr_segments; i++) {
+		if (info->segment[i].mem == (void *)info->rhdr.rel_addr) {
+			purgatory_base = (unsigned long)info->segment[i].mem;
+			purgatory_len = info->segment[i].memsz;
+		}
+		mstart = (unsigned long)info->segment[i].mem;
+		mend = mstart + info->segment[i].memsz;
+		mstart &= ~(SECTION_SIZE - 1);
+		while (mstart < mend) {
+			create_identity_entry(pgtbl_buf, pgtbl_mem,
+					mstart, MMU_FLAGS_NORMAL);
+			mstart += SECTION_SIZE;
+		}
+	}
+
+	/* we will need pgtble_base in purgatory for enabling d-cache */
+	elf_rel_set_symbol(&info->rhdr, "pgtble_base", &pgtbl_mem,
+		sizeof(pgtbl_mem));
+	/*
+	 * We need to disable d-cache before we exit from purgatory.
+	 * Since, only dcache flush by VAs is recomeneded, therefore we
+	 * will also need memory location of all those area which will be
+	 * accessed in purgatory with enabled d-cache. sha256_regions
+	 * already have start and length for all the segments except
+	 * purgatory. Therefore, we will need to pass start and length of
+	 * purgatory additionaly.
+	 */
+	elf_rel_set_symbol(&info->rhdr, "purgatory_base", &purgatory_base,
+		sizeof(purgatory_base));
+	elf_rel_set_symbol(&info->rhdr, "purgatory_len", &purgatory_len,
+		sizeof(purgatory_len));
+
+	return 0;
+}
+
 /**
  * arm64_load_other_segments - Prepare the dtb, initrd and purgatory segments.
  */
@@ -423,6 +573,8 @@ int arm64_load_other_segments(struct kexec_info *info,
 	elf_rel_set_symbol(&info->rhdr, "arm64_dtb_addr", &dtb_base,
 		sizeof(dtb_base));
 
+	arm64_create_pgtbl_segment(info, hole_min, hole_max);
+
 	return 0;
 }
 
