openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[MIPS] Move some kernel globals from asm file to C file. 

This get rid of some undesirable hole in BSS section due to random
order of placement.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Atsushi Nemoto 2007-01-24 01:21:05 +09:00 committed by Ralf Baechle
parent 907e193ea7
commit 69a6c312e5
4 changed files with 18 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/mips/kernel/asm-offsets.c
View File

@ -234,10 +234,6 @@ void output_mm_defines(void)
constant("#define _PMD_SHIFT ", PMD_SHIFT);
constant("#define _PGDIR_SHIFT ", PGDIR_SHIFT);
linefeed;
constant("#define _PGD_ORDER ", PGD_ORDER);
constant("#define _PMD_ORDER ", PMD_ORDER);
constant("#define _PTE_ORDER ", PTE_ORDER);
linefeed;
constant("#define _PTRS_PER_PGD ", PTRS_PER_PGD);
constant("#define _PTRS_PER_PMD ", PTRS_PER_PMD);
constant("#define _PTRS_PER_PTE ", PTRS_PER_PTE);

25
arch/mips/kernel/head.S
View File

@ -231,28 +231,3 @@ NESTED(smp_bootstrap, 16, sp)
#endif /* CONFIG_SMP */
__FINIT
.comm kernelsp, NR_CPUS * 8, 8
.comm pgd_current, NR_CPUS * 8, 8
.comm fw_arg0, SZREG, SZREG # firmware arguments
.comm fw_arg1, SZREG, SZREG
.comm fw_arg2, SZREG, SZREG
.comm fw_arg3, SZREG, SZREG
.macro page name, order
.comm \name, (_PAGE_SIZE << \order), (_PAGE_SIZE << \order)
.endm
/*
* On 64-bit we've got three-level pagetables with a slightly
* different layout ...
*/
page swapper_pg_dir, _PGD_ORDER
#ifdef CONFIG_64BIT
#if defined(CONFIG_MODULES) && !defined(CONFIG_BUILD_ELF64)
page module_pg_dir, _PGD_ORDER
#endif
page invalid_pmd_table, _PMD_ORDER
#endif
page invalid_pte_table, _PTE_ORDER

3
arch/mips/kernel/setup.c
View File

@ -563,3 +563,6 @@ int __init dsp_disable(char *s)
}
__setup("nodsp", dsp_disable);
unsigned long kernelsp[NR_CPUS];
unsigned long fw_arg0, fw_arg1, fw_arg2, fw_arg3;

15
arch/mips/mm/init.c
View File

@ -499,3 +499,18 @@ void free_initmem(void)
__pa_symbol(&__init_begin),
__pa_symbol(&__init_end));
}
unsigned long pgd_current[NR_CPUS];
/*
* On 64-bit we've got three-level pagetables with a slightly
* different layout ...
*/
#define __page_aligned(order) __attribute__((__aligned__(PAGE_SIZE<<order)))
pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned(PGD_ORDER);
#ifdef CONFIG_64BIT
#ifdef MODULE_START
pgd_t module_pg_dir[PTRS_PER_PGD] __page_aligned(PGD_ORDER);
#endif
pmd_t invalid_pmd_table[PTRS_PER_PMD] __page_aligned(PMD_ORDER);
#endif
pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned(PTE_ORDER);