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xtensa: use the declarations provided by <asm/sections.h>

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Cleanups:
  - Include <asm/sections.h>,
  - Remove the (different) extern declarations,
  - Remove the no longer needed address-of ('&') operators,
  - Use %p to format pointer differences.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Geert Uytterhoeven 2012-06-20 12:52:59 -07:00 committed by Linus Torvalds
parent 0eff08b5d1
commit f022d0fa18
1 changed files with 7 additions and 11 deletions
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18
arch/xtensa/mm/init.c
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@ -26,11 +26,7 @@
#include <asm/bootparam.h>
#include <asm/page.h>
/* References to section boundaries */
extern char _stext, _etext, _sdata, _edata, _rodata_end;
extern char __init_begin, __init_end;
#include <asm/sections.h>
/*
* mem_reserve(start, end, must_exist)
@ -197,9 +193,9 @@ void __init mem_init(void)
reservedpages++;
}
codesize = (unsigned long) &_etext - (unsigned long) &_stext;
datasize = (unsigned long) &_edata - (unsigned long) &_sdata;
initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin;
codesize = (unsigned long) _etext - (unsigned long) _stext;
datasize = (unsigned long) _edata - (unsigned long) _sdata;
initsize = (unsigned long) __init_end - (unsigned long) __init_begin;
printk("Memory: %luk/%luk available (%ldk kernel code, %ldk reserved, "
"%ldk data, %ldk init %ldk highmem)\n",
@ -237,7 +233,7 @@ void free_initrd_mem(unsigned long start, unsigned long end)
void free_initmem(void)
{
free_reserved_mem(&__init_begin, &__init_end);
printk("Freeing unused kernel memory: %dk freed\n",
(&__init_end - &__init_begin) >> 10);
free_reserved_mem(__init_begin, __init_end);
printk("Freeing unused kernel memory: %zuk freed\n",
(__init_end - __init_begin) >> 10);
}