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authorMike Rapoport <rppt@linux.ibm.com>2021-09-02 15:00:26 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-09-03 09:58:17 -0700
commita7259df7670240ee03b0cfce8a3e5d3773911e24 (patch)
tree5ebc8853e9b52196d42fa397fc298bb1cacb9019 /arch/mips/kernel/setup.c
parent38b031dd4d03542d963eebe600d67ea34f47eb65 (diff)
memblock: make memblock_find_in_range method private
There are a lot of uses of memblock_find_in_range() along with memblock_reserve() from the times memblock allocation APIs did not exist. memblock_find_in_range() is the very core of memblock allocations, so any future changes to its internal behaviour would mandate updates of all the users outside memblock. Replace the calls to memblock_find_in_range() with an equivalent calls to memblock_phys_alloc() and memblock_phys_alloc_range() and make memblock_find_in_range() private method of memblock. This simplifies the callers, ensures that (unlikely) errors in memblock_reserve() are handled and improves maintainability of memblock_find_in_range(). Link: https://lkml.kernel.org/r/20210816122622.30279-1-rppt@kernel.org Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> [arm64] Acked-by: Kirill A. Shutemov <kirill.shtuemov@linux.intel.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> [ACPI] Acked-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Acked-by: Nick Kossifidis <mick@ics.forth.gr> [riscv] Tested-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/mips/kernel/setup.c')
-rw-r--r--arch/mips/kernel/setup.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 23a140327a0b..f979adfd4fc2 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -452,8 +452,9 @@ static void __init mips_parse_crashkernel(void)
return;
if (crash_base <= 0) {
- crash_base = memblock_find_in_range(CRASH_ALIGN, CRASH_ADDR_MAX,
- crash_size, CRASH_ALIGN);
+ crash_base = memblock_phys_alloc_range(crash_size, CRASH_ALIGN,
+ CRASH_ALIGN,
+ CRASH_ADDR_MAX);
if (!crash_base) {
pr_warn("crashkernel reservation failed - No suitable area found.\n");
return;
@@ -461,8 +462,9 @@ static void __init mips_parse_crashkernel(void)
} else {
unsigned long long start;
- start = memblock_find_in_range(crash_base, crash_base + crash_size,
- crash_size, 1);
+ start = memblock_phys_alloc_range(crash_size, 1,
+ crash_base,
+ crash_base + crash_size);
if (start != crash_base) {
pr_warn("Invalid memory region reserved for crash kernel\n");
return;
@@ -656,10 +658,6 @@ static void __init arch_mem_init(char **cmdline_p)
mips_reserve_vmcore();
mips_parse_crashkernel();
-#ifdef CONFIG_KEXEC
- if (crashk_res.start != crashk_res.end)
- memblock_reserve(crashk_res.start, resource_size(&crashk_res));
-#endif
device_tree_init();
/*