Commit d7dc899a authored by Stefan Agner's avatar Stefan Agner Committed by Linus Torvalds
Browse files

treewide: use PHYS_ADDR_MAX to avoid type casting ULLONG_MAX

With PHYS_ADDR_MAX there is now a type safe variant for all bits set.
Make use of it.

Patch created using a semantic patch as follows:

// <smpl>
@@
typedef phys_addr_t;
@@
-(phys_addr_t)ULLONG_MAX
+PHYS_ADDR_MAX
// </smpl>

Link: http://lkml.kernel.org/r/20180419214204.19322-1-stefan@agner.ch

Signed-off-by: default avatarStefan Agner <stefan@agner.ch>
Reviewed-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Acked-by: default avatarArd Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>	[arm64]
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 0825a6f9
......@@ -310,7 +310,7 @@ static void __init arm64_memory_present(void)
}
#endif
static phys_addr_t memory_limit = (phys_addr_t)ULLONG_MAX;
static phys_addr_t memory_limit = PHYS_ADDR_MAX;
/*
* Limit the memory size that was specified via FDT.
......@@ -401,7 +401,7 @@ void __init arm64_memblock_init(void)
* high up in memory, add back the kernel region that must be accessible
* via the linear mapping.
*/
if (memory_limit != (phys_addr_t)ULLONG_MAX) {
if (memory_limit != PHYS_ADDR_MAX) {
memblock_mem_limit_remove_map(memory_limit);
memblock_add(__pa_symbol(_text), (u64)(_end - _text));
}
......@@ -666,7 +666,7 @@ __setup("keepinitrd", keepinitrd_setup);
*/
static int dump_mem_limit(struct notifier_block *self, unsigned long v, void *p)
{
if (memory_limit != (phys_addr_t)ULLONG_MAX) {
if (memory_limit != PHYS_ADDR_MAX) {
pr_emerg("Memory Limit: %llu MB\n", memory_limit >> 20);
} else {
pr_emerg("Memory Limit: none\n");
......
......@@ -93,7 +93,7 @@ void __init add_memory_region(phys_addr_t start, phys_addr_t size, long type)
* If the region reaches the top of the physical address space, adjust
* the size slightly so that (start + size) doesn't overflow
*/
if (start + size - 1 == (phys_addr_t)ULLONG_MAX)
if (start + size - 1 == PHYS_ADDR_MAX)
--size;
/* Sanity check */
......@@ -376,7 +376,7 @@ static void __init bootmem_init(void)
unsigned long reserved_end;
unsigned long mapstart = ~0UL;
unsigned long bootmap_size;
phys_addr_t ramstart = (phys_addr_t)ULLONG_MAX;
phys_addr_t ramstart = PHYS_ADDR_MAX;
bool bootmap_valid = false;
int i;
......
......@@ -215,7 +215,7 @@ void __init mem_topology_setup(void)
/* Place all memblock_regions in the same node and merge contiguous
* memblock_regions
*/
memblock_set_node(0, (phys_addr_t)ULLONG_MAX, &memblock.memory, 0);
memblock_set_node(0, PHYS_ADDR_MAX, &memblock.memory, 0);
}
void __init initmem_init(void)
......
......@@ -1620,7 +1620,7 @@ static void __init bootmem_init_nonnuma(void)
(top_of_ram - total_ram) >> 20);
init_node_masks_nonnuma();
memblock_set_node(0, (phys_addr_t)ULLONG_MAX, &memblock.memory, 0);
memblock_set_node(0, PHYS_ADDR_MAX, &memblock.memory, 0);
allocate_node_data(0);
node_set_online(0);
}
......
......@@ -692,7 +692,7 @@ void __init initmem_init(void)
high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1;
#endif
memblock_set_node(0, (phys_addr_t)ULLONG_MAX, &memblock.memory, 0);
memblock_set_node(0, PHYS_ADDR_MAX, &memblock.memory, 0);
sparse_memory_present_with_active_regions(0);
#ifdef CONFIG_FLATMEM
......
......@@ -742,7 +742,7 @@ kernel_physical_mapping_init(unsigned long paddr_start,
#ifndef CONFIG_NUMA
void __init initmem_init(void)
{
memblock_set_node(0, (phys_addr_t)ULLONG_MAX, &memblock.memory, 0);
memblock_set_node(0, PHYS_ADDR_MAX, &memblock.memory, 0);
}
#endif
......
......@@ -193,7 +193,7 @@ static __init void reserve_regions(void)
* uses its own memory map instead.
*/
memblock_dump_all();
memblock_remove(0, (phys_addr_t)ULLONG_MAX);
memblock_remove(0, PHYS_ADDR_MAX);
for_each_efi_memory_desc(md) {
paddr = md->phys_addr;
......
......@@ -686,7 +686,7 @@ static int q6v5_mpss_load(struct q6v5 *qproc)
struct elf32_hdr *ehdr;
phys_addr_t mpss_reloc;
phys_addr_t boot_addr;
phys_addr_t min_addr = (phys_addr_t)ULLONG_MAX;
phys_addr_t min_addr = PHYS_ADDR_MAX;
phys_addr_t max_addr = 0;
bool relocate = false;
char seg_name[10];
......
......@@ -50,7 +50,7 @@ ssize_t qcom_mdt_get_size(const struct firmware *fw)
const struct elf32_phdr *phdrs;
const struct elf32_phdr *phdr;
const struct elf32_hdr *ehdr;
phys_addr_t min_addr = (phys_addr_t)ULLONG_MAX;
phys_addr_t min_addr = PHYS_ADDR_MAX;
phys_addr_t max_addr = 0;
int i;
......@@ -97,7 +97,7 @@ int qcom_mdt_load(struct device *dev, const struct firmware *fw,
const struct elf32_hdr *ehdr;
const struct firmware *seg_fw;
phys_addr_t mem_reloc;
phys_addr_t min_addr = (phys_addr_t)ULLONG_MAX;
phys_addr_t min_addr = PHYS_ADDR_MAX;
phys_addr_t max_addr = 0;
size_t fw_name_len;
ssize_t offset;
......
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