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Subject[PATCH 1/5] arm64: rename defer_reserve_crashkernel() to have_zone_dma()
Date
From: Mike Rapoport <rppt@linux.ibm.com>

The new name better describes what the function does and does not
restrict its use to crash kernel reservations.

Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
---
arch/arm64/include/asm/memory.h | 2 +-
arch/arm64/mm/init.c | 4 ++--
arch/arm64/mm/mmu.c | 4 ++--
3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index 9dd08cd339c3..27fce129b97e 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -364,7 +364,7 @@ static inline void *phys_to_virt(phys_addr_t x)

void dump_mem_limit(void);

-static inline bool defer_reserve_crashkernel(void)
+static inline bool have_zone_dma(void)
{
return IS_ENABLED(CONFIG_ZONE_DMA) || IS_ENABLED(CONFIG_ZONE_DMA32);
}
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index b9af30be813e..a6585d50a76c 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -389,7 +389,7 @@ void __init arm64_memblock_init(void)

early_init_fdt_scan_reserved_mem();

- if (!defer_reserve_crashkernel())
+ if (!have_zone_dma())
reserve_crashkernel();

high_memory = __va(memblock_end_of_DRAM() - 1) + 1;
@@ -438,7 +438,7 @@ void __init bootmem_init(void)
* request_standard_resources() depends on crashkernel's memory being
* reserved, so do it here.
*/
- if (defer_reserve_crashkernel())
+ if (have_zone_dma())
reserve_crashkernel();

memblock_dump_all();
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index db7c4e6ae57b..bf303f1dea25 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -548,7 +548,7 @@ static void __init map_mem(pgd_t *pgdp)

#ifdef CONFIG_KEXEC_CORE
if (crash_mem_map) {
- if (defer_reserve_crashkernel())
+ if (have_zone_dma())
flags |= NO_BLOCK_MAPPINGS | NO_CONT_MAPPINGS;
else if (crashk_res.end)
memblock_mark_nomap(crashk_res.start,
@@ -589,7 +589,7 @@ static void __init map_mem(pgd_t *pgdp)
* through /sys/kernel/kexec_crash_size interface.
*/
#ifdef CONFIG_KEXEC_CORE
- if (crash_mem_map && !defer_reserve_crashkernel()) {
+ if (crash_mem_map && !have_zone_dma()) {
if (crashk_res.end) {
__map_memblock(pgdp, crashk_res.start,
crashk_res.end + 1,
--
2.35.3
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