From: Dan Aloni <da-x@gmx.net>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Linux Kernel List <linux-kernel@vger.kernel.org>
Subject: [PATCH] fix s390[x] to print the correct freed memory amount
Date: Tue, 30 Jul 2002 23:27:37 +0300 [thread overview]
Message-ID: <20020730202737.GA10142@callisto.yi.org> (raw)
This is purely because arch/s390/mm/init.c does:
extern unsigned long _text;
extern unsigned long _etext;
extern unsigned long _edata;
extern unsigned long __bss_start;
extern unsigned long _end;
extern unsigned long __init_begin;
extern unsigned long __init_end;
And as you know C, here (&__init_end - &__init_begin) >> 10) will
not evaluate to the right value because of 'unsigned long'.
Linus, this is a good reason why I introduced asm-generic/sections.h
and asm-i386/sections.h. I think there should be a sections.h file
every arch, in order to avoid having every .c file declare its own
idea of what those symbols are.
BTW, I have another patch which adds a sections.h for every arch
and removes the cruft of the extern declarations, while adding
an #include <asm/sections.h>.
--
You can import this changeset into BK by piping this whole message to:
'| bk receive [path to repository]' or apply the patch as usual.
===================================================================
ChangeSet@1.544, 2002-07-30 22:58:38+03:00, da-x@gmx.net
Make s390 and s390x print the right freed init memory size.
The expression (&__init_begin - &__init_end) depends on the type
of this adhoc extern variables, which was changed from char to long
when the code was copied from another arch.
s390/mm/init.c | 2 +-
s390x/mm/init.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff -Nru a/arch/s390/mm/init.c b/arch/s390/mm/init.c
--- a/arch/s390/mm/init.c Tue Jul 30 23:00:32 2002
+++ b/arch/s390/mm/init.c Tue Jul 30 23:00:32 2002
@@ -189,7 +189,7 @@
totalram_pages++;
}
printk ("Freeing unused kernel memory: %dk freed\n",
- (&__init_end - &__init_begin) >> 10);
+ ((unsigned long)&__init_end - (unsigned long)&__init_begin) >> 10);
}
#ifdef CONFIG_BLK_DEV_INITRD
diff -Nru a/arch/s390x/mm/init.c b/arch/s390x/mm/init.c
--- a/arch/s390x/mm/init.c Tue Jul 30 23:00:32 2002
+++ b/arch/s390x/mm/init.c Tue Jul 30 23:00:32 2002
@@ -201,7 +201,7 @@
totalram_pages++;
}
printk ("Freeing unused kernel memory: %ldk freed\n",
- (&__init_end - &__init_begin) >> 10);
+ ((unsigned long)&__init_end - (unsigned long)&__init_begin) >> 10);
}
#ifdef CONFIG_BLK_DEV_INITRD
===================================================================
This BitKeeper patch contains the following changesets:
1.544
## Wrapped with gzip_uu ##
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/]$#V>4Q^`ISPL@,T"```
`
end
--
Dan Aloni
da-x@gmx.net
reply other threads:[~2002-07-30 20:24 UTC|newest]
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