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Commit 37743487 authored by Sam Ravnborg's avatar Sam Ravnborg Committed by David S. Miller
Browse files

sparc32: drop btfixup for check_pgt_cache 



It is a noop for srmmu - so use a define as sparc64 does.
And drop all sparc callers - no need to confuse our-self
be calling a noop function.

Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 34d4accf

arch/sparc/include/asm/pgalloc_32.h

+1 −3
Original line number Diff line number Diff line
@@ -21,9 +21,7 @@ extern struct pgtable_cache_struct { 
#define pgtable_cache_size      (pgt_quicklists.pgtable_cache_sz)

#define pgd_cache_size		(pgt_quicklists.pgd_cache_sz)



extern void check_pgt_cache(void);

BTFIXUPDEF_CALL(void,	 do_check_pgt_cache, int, int)

#define do_check_pgt_cache(low,high) BTFIXUP_CALL(do_check_pgt_cache)(low,high)

#define check_pgt_cache()	do { } while (0)



BTFIXUPDEF_CALL(pgd_t *, get_pgd_fast, void)

#define get_pgd_fast()		BTFIXUP_CALL(get_pgd_fast)()

arch/sparc/kernel/process_32.c

+0 −2
Original line number Diff line number Diff line
@@ -82,7 +82,6 @@ void cpu_idle(void) 
				cpu_relax();

		}

		schedule_preempt_disabled();

		check_pgt_cache();

	}

}
@@ -105,7 +104,6 @@ void cpu_idle(void) 
				cpu_relax();

		}

		schedule_preempt_disabled();

		check_pgt_cache();

	}

}

arch/sparc/mm/init_32.c

+0 −16
Original line number Diff line number Diff line
@@ -285,22 +285,6 @@ unsigned long __init bootmem_init(unsigned long *pages_avail) 
	return max_pfn;

}



/*

 * check_pgt_cache

 *

 * This is called at the end of unmapping of VMA (zap_page_range),

 * to rescan the page cache for architecture specific things.

 * Most architectures define check_pgt_cache empty.

 *

 * We simply copy the 2.4 implementation for now.

 */

static int pgt_cache_water[2] = { 25, 50 };



void check_pgt_cache(void)

{

	do_check_pgt_cache(pgt_cache_water[0], pgt_cache_water[1]);

}



/*

 * paging_init() sets up the page tables: We call the MMU specific

 * init routine based upon the Sun model type on the Sparc.

arch/sparc/mm/srmmu.c

+0 −6
Original line number Diff line number Diff line
@@ -2122,11 +2122,6 @@ static void __init get_srmmu_type(void) 
	srmmu_is_bad();

}



/* don't laugh, static pagetables */

static void srmmu_check_pgt_cache(int low, int high)

{

}



extern unsigned long spwin_mmu_patchme, fwin_mmu_patchme,

	tsetup_mmu_patchme, rtrap_mmu_patchme;
@@ -2168,7 +2163,6 @@ void __init ld_mmu_srmmu(void) 
#ifndef CONFIG_SMP	

	BTFIXUPSET_CALL(___xchg32, ___xchg32_sun4md, BTFIXUPCALL_SWAPG1G2);

#endif

	BTFIXUPSET_CALL(do_check_pgt_cache, srmmu_check_pgt_cache, BTFIXUPCALL_NOP);



	BTFIXUPSET_CALL(set_pte, srmmu_set_pte, BTFIXUPCALL_SWAPO0O1);