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    Subject[PATCH 20/20] xtensa: use generic show_mem()
    Remove arch-specific show_mem() in favor of the generic version.

    This also removes the following redundant information display:

    - free pages, printed by show_free_areas()
    - pages in swapcache, printed by show_swap_cache_info()

    where show_mem() calls show_free_areas(), which calls
    show_swap_cache_info().

    Signed-off-by: Johannes Weiner <hannes@saeurebad.de>
    CC: Chris Zankel <chris@zankel.net>
    ---
    arch/xtensa/Kconfig | 1 +
    arch/xtensa/mm/init.c | 26 --------------------------
    2 files changed, 1 insertion(+), 26 deletions(-)

    --- a/arch/xtensa/Kconfig
    +++ b/arch/xtensa/Kconfig
    @@ -15,6 +15,7 @@ config XTENSA
    bool
    default y
    select HAVE_IDE
    + select HAVE_GENERIC_SHOW_MEM
    help
    Xtensa processors are 32-bit RISC machines designed by Tensilica
    primarily for embedded systems. These processors are both
    --- a/arch/xtensa/mm/init.c
    +++ b/arch/xtensa/mm/init.c
    @@ -272,32 +272,6 @@ void free_initmem(void)
    (&__init_end - &__init_begin) >> 10);
    }

    -void show_mem(void)
    -{
    - int i, free = 0, total = 0, reserved = 0;
    - int shared = 0, cached = 0;
    -
    - printk("Mem-info:\n");
    - show_free_areas();
    - i = max_mapnr;
    - while (i-- > 0) {
    - total++;
    - if (PageReserved(mem_map+i))
    - reserved++;
    - else if (PageSwapCache(mem_map+i))
    - cached++;
    - else if (!page_count(mem_map + i))
    - free++;
    - else
    - shared += page_count(mem_map + i) - 1;
    - }
    - printk("%d pages of RAM\n", total);
    - printk("%d reserved pages\n", reserved);
    - printk("%d pages shared\n", shared);
    - printk("%d pages swap cached\n",cached);
    - printk("%d free pages\n", free);
    -}
    -
    struct kmem_cache *pgtable_cache __read_mostly;

    static void pgd_ctor(struct kmem_cache *cache, void* addr)
    --



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