Commit c92a7a54 authored Feb 17, 2008 by Ian Campbell Committed by Ingo Molnar Apr 17, 2008

x86: reduce arch/x86/mm/ioremap.o size



> Don't we have a special section for page-aligned data so it doesn't
> waste most of two pages?

We have .bss.page_aligned and it seems appropriate to use it.

    text	   data	    bss	    dec	    hex	filename
    -   3388	   8236	      4	  11628	   2d6c	../build-32/arch/x86/mm/ioremap.o
    +   3388	     48	   4100	   7536	   1d70	../build-32/arch/x86/mm/ioremap.o

Signed-off-by: Ian Campbell <ijc@hellion.org.uk>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Huang Ying <ying.huang@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

parent edc05e6d

arch/x86/mm/ioremap.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -272,8 +272,8 @@ static int __init early_ioremap_debug_setup(char *str)
		early_param("early_ioremap_debug", early_ioremap_debug_setup);

		static __initdata int after_paging_init;
		static __initdata pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)]
		__attribute__((aligned(PAGE_SIZE)));
		static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)]
		__section(.bss.page_aligned);

		static inline pmd_t * __init early_ioremap_pmd(unsigned long addr)
		{

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