On 09/12/2010 09:39 PM, Stephen Rothwell wrote:
>
> Your patch fixes some of the warnings, but still leaves these for a
> powerpc allnoconfig build:
>
> WARNING: mm/built-in.o(.text+0x25d80): Section mismatch in reference from the function memblock_double_array() to the function .init.text:memblock_free()
> The function memblock_double_array() references
> the function __init memblock_free().
> This is often because memblock_double_array lacks a __init
> annotation or the annotation of memblock_free is wrong.
>
> WARNING: mm/built-in.o(.text+0x26318): Section mismatch in reference from the function memblock_reserve_reserved_regions() to the function .init.text:memblock_reserve()
> The function memblock_reserve_reserved_regions() references
> the function __init memblock_reserve().
> This is often because memblock_reserve_reserved_regions lacks a __init
> annotation or the annotation of memblock_reserve is wrong.
>
> WARNING: mm/built-in.o(.text+0x26490): Section mismatch in reference from the function memblock_free_reserved_regions() to the function .init.text:memblock_free()
> The function memblock_free_reserved_regions() references
> the function __init memblock_free().
> This is often because memblock_free_reserved_regions lacks a __init
> annotation or the annotation of memblock_free is wrong.
v1 already changed them all to __init_memblock, so we should not have those warnings.
>
> And these for a i386 defconfig build:
>
> WARNING: mm/built-in.o(.text+0x1e261): Section mismatch in reference from the function memblock_is_memory() to the variable .init.data:memblock
> The function memblock_is_memory() references
> the variable __initdata memblock.
> This is often because memblock_is_memory lacks a __initdata
> annotation or the annotation of memblock is wrong.
>
> WARNING: mm/built-in.o(.text+0x1e27f): Section mismatch in reference from the function memblock_is_region_memory() to the variable .init.data:memblock
> The function memblock_is_region_memory() references
> the variable __initdata memblock.
> This is often because memblock_is_region_memory lacks a __initdata
> annotation or the annotation of memblock is wrong.
>
you must have old gcc, those functions are not used with i386.
[PATCH -v2] memblock: Fix section mismatch warning
for arches that use memblock other than x86
-v2: more with memblock_is_meory()
Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Yinghai Lu <Yinghai@xxxxxxxxxx>
---
mm/memblock.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
Index: linux-2.6/mm/memblock.c
===================================================================
--- linux-2.6.orig/mm/memblock.c
+++ linux-2.6/mm/memblock.c
@@ -125,8 +125,8 @@ static phys_addr_t __init memblock_find_
return MEMBLOCK_ERROR;
}
-static phys_addr_t __init memblock_find_base(phys_addr_t size, phys_addr_t align,
- phys_addr_t start, phys_addr_t end)
+static phys_addr_t __init_memblock memblock_find_base(phys_addr_t size,
+ phys_addr_t align, phys_addr_t start, phys_addr_t end)
{
long i;
@@ -439,12 +439,12 @@ long __init_memblock memblock_remove(phy
return __memblock_remove(&memblock.memory, base, size);
}
-long __init memblock_free(phys_addr_t base, phys_addr_t size)
+long __init_memblock memblock_free(phys_addr_t base, phys_addr_t size)
{
return __memblock_remove(&memblock.reserved, base, size);
}
-long __init memblock_reserve(phys_addr_t base, phys_addr_t size)
+long __init_memblock memblock_reserve(phys_addr_t base, phys_addr_t size)
{
struct memblock_type *_rgn = &memblock.reserved;
@@ -671,12 +671,12 @@ int __init memblock_is_reserved(phys_add
return memblock_search(&memblock.reserved, addr) != -1;
}
-int memblock_is_memory(phys_addr_t addr)
+int __init_memblock memblock_is_memory(phys_addr_t addr)
{
return memblock_search(&memblock.memory, addr) != -1;
}
-int memblock_is_region_memory(phys_addr_t base, phys_addr_t size)
+int __init_memblock memblock_is_region_memory(phys_addr_t base, phys_addr_t size)
{
int idx = memblock_search(&memblock.reserved, base);
@@ -693,7 +693,7 @@ int __init_memblock memblock_is_region_r
}
-void __init memblock_set_current_limit(phys_addr_t limit)
+void __init_memblock memblock_set_current_limit(phys_addr_t limit)
{
memblock.current_limit = limit;
}
--
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