s390/boot: Rename physmem_alloc_top_down() to physmem_alloc_or_die()

The new name better reflects the function's behavior, emphasizing that
it will terminate execution if allocation fails.

Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>

6 files changed, 10 insertions, 10 deletions

diff --git a/arch/s390/boot/boot.h b/arch/s390/boot/boot.h
index 56244fe78182..f26902624650 100644
--- a/arch/s390/boot/boot.h
+++ b/arch/s390/boot/boot.h
@@ -47,8 +47,8 @@ void physmem_set_usable_limit(unsigned long limit);
 void physmem_reserve(enum reserved_range_type type, unsigned long addr, unsigned long size);
 void physmem_free(enum reserved_range_type type);
 /* for continuous/multiple allocations per type */
-unsigned long physmem_alloc_top_down(enum reserved_range_type type, unsigned long size,
-				     unsigned long align);
+unsigned long physmem_alloc_or_die(enum reserved_range_type type, unsigned long size,
+				   unsigned long align);
 /* for single allocations, 1 per type */
 unsigned long physmem_alloc_range(enum reserved_range_type type, unsigned long size,
 				  unsigned long align, unsigned long min, unsigned long max,
diff --git a/arch/s390/boot/ipl_report.c b/arch/s390/boot/ipl_report.c
index d00898852a88..aea22e268c65 100644
--- a/arch/s390/boot/ipl_report.c
+++ b/arch/s390/boot/ipl_report.c
@@ -155,7 +155,7 @@ void save_ipl_cert_comp_list(void)
 		return;
 
 	size = get_cert_comp_list_size();
-	early_ipl_comp_list_addr = physmem_alloc_top_down(RR_CERT_COMP_LIST, size, sizeof(int));
+	early_ipl_comp_list_addr = physmem_alloc_or_die(RR_CERT_COMP_LIST, size, sizeof(int));
 	ipl_cert_list_addr = early_ipl_comp_list_addr + early_ipl_comp_list_size;
 
 	copy_components_bootdata();
diff --git a/arch/s390/boot/kaslr.c b/arch/s390/boot/kaslr.c
index f864d2bff775..d6761e1e2f8d 100644
--- a/arch/s390/boot/kaslr.c
+++ b/arch/s390/boot/kaslr.c
@@ -168,7 +168,7 @@ static unsigned long iterate_valid_positions(unsigned long size, unsigned long a
  * cannot have chains.
  *
  * On the other hand, "dynamic" or "repetitive" allocations are done via
- * physmem_alloc_top_down(). These allocations are tightly packed together
+ * physmem_alloc_or_die(). These allocations are tightly packed together
  * top down from the end of online memory. physmem_alloc_pos represents
  * current position where those allocations start.
  *
diff --git a/arch/s390/boot/physmem_info.c b/arch/s390/boot/physmem_info.c
index 7617aa2d2f7e..34d310a6d8a5 100644
--- a/arch/s390/boot/physmem_info.c
+++ b/arch/s390/boot/physmem_info.c
@@ -343,8 +343,8 @@ unsigned long physmem_alloc_range(enum reserved_range_type type, unsigned long s
 	return addr;
 }
 
-unsigned long physmem_alloc_top_down(enum reserved_range_type type, unsigned long size,
-				     unsigned long align)
+unsigned long physmem_alloc_or_die(enum reserved_range_type type, unsigned long size,
+				   unsigned long align)
 {
 	struct reserved_range *range = &physmem_info.reserved[type];
 	struct reserved_range *new_range;
diff --git a/arch/s390/boot/startup.c b/arch/s390/boot/startup.c
index e00aed22d0d4..70f90a19007a 100644
--- a/arch/s390/boot/startup.c
+++ b/arch/s390/boot/startup.c
@@ -143,7 +143,7 @@ static void rescue_initrd(unsigned long min, unsigned long max)
 		return;
 	old_addr = addr;
 	physmem_free(RR_INITRD);
-	addr = physmem_alloc_top_down(RR_INITRD, size, 0);
+	addr = physmem_alloc_or_die(RR_INITRD, size, 0);
 	memmove((void *)addr, (void *)old_addr, size);
 }
 
diff --git a/arch/s390/boot/vmem.c b/arch/s390/boot/vmem.c
index d755e5340fcd..3e69e4405d70 100644
--- a/arch/s390/boot/vmem.c
+++ b/arch/s390/boot/vmem.c
@@ -201,7 +201,7 @@ static void *boot_crst_alloc(unsigned long val)
 	unsigned long size = PAGE_SIZE << CRST_ALLOC_ORDER;
 	unsigned long *table;
 
-	table = (unsigned long *)physmem_alloc_top_down(RR_VMEM, size, size);
+	table = (unsigned long *)physmem_alloc_or_die(RR_VMEM, size, size);
 	crst_table_init(table, val);
 	__arch_set_page_dat(table, 1UL << CRST_ALLOC_ORDER);
 	return table;
@@ -217,7 +217,7 @@ static pte_t *boot_pte_alloc(void)
 	 * during POPULATE_KASAN_MAP_SHADOW when EDAT is off
 	 */
 	if (!pte_leftover) {
-		pte_leftover = (void *)physmem_alloc_top_down(RR_VMEM, PAGE_SIZE, PAGE_SIZE);
+		pte_leftover = (void *)physmem_alloc_or_die(RR_VMEM, PAGE_SIZE, PAGE_SIZE);
 		pte = pte_leftover + _PAGE_TABLE_SIZE;
 		__arch_set_page_dat(pte, 1);
 	} else {
@@ -247,7 +247,7 @@ static unsigned long resolve_pa_may_alloc(unsigned long addr, unsigned long size
 		return __identity_pa(addr);
 #ifdef CONFIG_KASAN
 	case POPULATE_KASAN_MAP_SHADOW:
-		addr = physmem_alloc_top_down(RR_VMEM, size, size);
+		addr = physmem_alloc_or_die(RR_VMEM, size, size);
 		memset((void *)addr, 0, size);
 		return addr;
 #endif