From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Cc: Linux Kernel Development <linux-kernel@vger.kernel.org>,
Geert Uytterhoeven <geert@linux-m68k.org>
Subject: [PATCH 160] m68k MM off-by-one
Date: Sat, 2 Oct 2004 19:05:23 +0200 [thread overview]
Message-ID: <200410021705.i92H5Nc8021785@anakin.of.borg> (raw)
M68k: Fix off-by-one error in zone size calculation (from Didier Mequignon and
Petr Stehlik)
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
--- linux-2.4.28-pre3/arch/m68k/mm/motorola.c.old 2003-08-30 08:01:28.000000000 +0200
+++ linux-m68k-2.4.28-pre3/arch/m68k/mm/motorola.c 2004-05-07 09:01:10.000000000 +0200
@@ -264,7 +264,7 @@
printk ("before free_area_init\n");
#endif
zones_size[0] = (mach_max_dma_address < (unsigned long)high_memory ?
- mach_max_dma_address : (unsigned long)high_memory);
+ (mach_max_dma_address+1) : (unsigned long)high_memory);
zones_size[1] = (unsigned long)high_memory - zones_size[0];
zones_size[0] = (zones_size[0] - PAGE_OFFSET) >> PAGE_SHIFT;
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
reply other threads:[~2004-10-02 17:12 UTC|newest]
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