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Subject[PATCH v2 1/4] init: provide a generic free_initmem implementation
Date
For most architectures free_initmem just a wrapper for the same
free_initmem_default(-1) call.
Provide that as a generic implementation marked __weak.

Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
---
arch/alpha/mm/init.c | 6 ------
arch/arc/mm/init.c | 8 --------
arch/c6x/mm/init.c | 5 -----
arch/h8300/mm/init.c | 6 ------
arch/microblaze/mm/init.c | 5 -----
arch/nds32/mm/init.c | 5 -----
arch/nios2/mm/init.c | 5 -----
arch/openrisc/mm/init.c | 5 -----
arch/sh/mm/init.c | 5 -----
arch/unicore32/mm/init.c | 5 -----
arch/xtensa/mm/init.c | 5 -----
init/main.c | 5 +++++
12 files changed, 5 insertions(+), 60 deletions(-)

diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c
index 97f4940..e2cbec3 100644
--- a/arch/alpha/mm/init.c
+++ b/arch/alpha/mm/init.c
@@ -285,9 +285,3 @@ mem_init(void)
memblock_free_all();
mem_init_print_info(NULL);
}
-
-void
-free_initmem(void)
-{
- free_initmem_default(-1);
-}
diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c
index c357a3b..02b7a3b 100644
--- a/arch/arc/mm/init.c
+++ b/arch/arc/mm/init.c
@@ -206,11 +206,3 @@ void __init mem_init(void)
memblock_free_all();
mem_init_print_info(NULL);
}
-
-/*
- * free_initmem: Free all the __init memory.
- */
-void __ref free_initmem(void)
-{
- free_initmem_default(-1);
-}
diff --git a/arch/c6x/mm/init.c b/arch/c6x/mm/init.c
index 5504b71..3257c53 100644
--- a/arch/c6x/mm/init.c
+++ b/arch/c6x/mm/init.c
@@ -66,8 +66,3 @@ void __init mem_init(void)

mem_init_print_info(NULL);
}
-
-void __init free_initmem(void)
-{
- free_initmem_default(-1);
-}
diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c
index 2eff00d..73671d0 100644
--- a/arch/h8300/mm/init.c
+++ b/arch/h8300/mm/init.c
@@ -100,9 +100,3 @@ void __init mem_init(void)

mem_init_print_info(NULL);
}
-
-void
-free_initmem(void)
-{
- free_initmem_default(-1);
-}
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 3bd32de..cf29692 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -186,11 +186,6 @@ void __init setup_memory(void)
paging_init();
}

-void free_initmem(void)
-{
- free_initmem_default(-1);
-}
-
void __init mem_init(void)
{
high_memory = (void *)__va(memory_start + lowmem_size - 1);
diff --git a/arch/nds32/mm/init.c b/arch/nds32/mm/init.c
index c02e10a..0003187 100644
--- a/arch/nds32/mm/init.c
+++ b/arch/nds32/mm/init.c
@@ -244,11 +244,6 @@ void __init mem_init(void)
return;
}

-void free_initmem(void)
-{
- free_initmem_default(-1);
-}
-
void __set_fixmap(enum fixed_addresses idx,
phys_addr_t phys, pgprot_t flags)
{
diff --git a/arch/nios2/mm/init.c b/arch/nios2/mm/init.c
index 60736a7..2c609c2 100644
--- a/arch/nios2/mm/init.c
+++ b/arch/nios2/mm/init.c
@@ -82,11 +82,6 @@ void __init mmu_init(void)
flush_tlb_all();
}

-void __ref free_initmem(void)
-{
- free_initmem_default(-1);
-}
-
#define __page_aligned(order) __aligned(PAGE_SIZE << (order))
pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned(PGD_ORDER);
pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned(PTE_ORDER);
diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c
index d0d94a4..aa83f7d 100644
--- a/arch/openrisc/mm/init.c
+++ b/arch/openrisc/mm/init.c
@@ -220,8 +220,3 @@ void __init mem_init(void)
mem_init_done = 1;
return;
}
-
-void free_initmem(void)
-{
- free_initmem_default(-1);
-}
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 2fa824336..ca9761b 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -405,11 +405,6 @@ void __init mem_init(void)
mem_init_done = 1;
}

-void free_initmem(void)
-{
- free_initmem_default(-1);
-}
-
#ifdef CONFIG_MEMORY_HOTPLUG
int arch_add_memory(int nid, u64 start, u64 size, struct vmem_altmap *altmap,
bool want_memblock)
diff --git a/arch/unicore32/mm/init.c b/arch/unicore32/mm/init.c
index 01271ce..2c52d9b 100644
--- a/arch/unicore32/mm/init.c
+++ b/arch/unicore32/mm/init.c
@@ -311,8 +311,3 @@ void __init mem_init(void)
sysctl_overcommit_memory = OVERCOMMIT_ALWAYS;
}
}
-
-void free_initmem(void)
-{
- free_initmem_default(-1);
-}
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index d498610..b51746f 100644
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -216,11 +216,6 @@ void free_initrd_mem(unsigned long start, unsigned long end)
}
#endif

-void free_initmem(void)
-{
- free_initmem_default(-1);
-}
-
static void __init parse_memmap_one(char *p)
{
char *oldp;
diff --git a/init/main.c b/init/main.c
index c86a1c8..38d69e0 100644
--- a/init/main.c
+++ b/init/main.c
@@ -1047,6 +1047,11 @@ static inline void mark_readonly(void)
}
#endif

+void __weak free_initmem(void)
+{
+ free_initmem_default(-1);
+}
+
static int __ref kernel_init(void *unused)
{
int ret;
--
2.7.4
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