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[XTENSA] Move common sections into bss sections

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Move the fields of the COMMON sections 'swapper_pg_dir' and
'empty_zero_page' to the BSS section. Remove the unused COMMON
sections 'emtpy_bad_page_table' and 'empty_bad_page'.

Signed-off-by: Chris Zankel <chris@zankel.net>
This commit is contained in:
Chris Zankel 2007-05-31 17:48:07 -07:00
parent de4f6e5b41
commit adba09f015
1 changed files with 11 additions and 8 deletions
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17
arch/xtensa/kernel/head.S
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@ -19,6 +19,8 @@
#include <asm/page.h> #include <asm/page.h>
#include <asm/cacheasm.h> #include <asm/cacheasm.h>
#include <linux/linkage.h>
/* /*
* This module contains the entry code for kernel images. It performs the * This module contains the entry code for kernel images. It performs the
* minimal setup needed to call the generic C routines. * minimal setup needed to call the generic C routines.
@ -227,13 +229,14 @@ _startup:
should_never_return: should_never_return:
j should_never_return j should_never_return
/* Define some common data structures here. We define them
* here in this assembly file due to their unusual alignment /*
* requirements. * BSS section
*/ */
.comm swapper_pg_dir,PAGE_SIZE,PAGE_SIZE .section ".bss.page_aligned", "w"
.comm empty_bad_page_table,PAGE_SIZE,PAGE_SIZE ENTRY(swapper_pg_dir)
.comm empty_bad_page,PAGE_SIZE,PAGE_SIZE .fill PAGE_SIZE, 1, 0
.comm empty_zero_page,PAGE_SIZE,PAGE_SIZE ENTRY(empty_zero_page)
.fill PAGE_SIZE, 1, 0