From: tiansm@lemote.com
To: linux-mips@linux-mips.org
Cc: Fuxin Zhang <zhangfx@lemote.com>
Subject: [PATCH 15/15] work around for more than 256MB memory support
Date: Wed, 6 Jun 2007 14:52:52 +0800 [thread overview]
Message-ID: <11811127744038-git-send-email-tiansm@lemote.com> (raw)
In-Reply-To: <11811127722019-git-send-email-tiansm@lemote.com>
From: Fuxin Zhang <zhangfx@lemote.com>
Signed-off-by: Fuxin Zhang <zhangfx@lemote.com>
---
drivers/char/mem.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index cc9a9d0..a19b46a 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -82,8 +82,12 @@ static inline int uncached_access(struct file *file, unsigned long addr)
*/
if (file->f_flags & O_SYNC)
return 1;
+#if defined(CONFIG_LEMOTE_FULONG) && defined(CONFIG_64BIT)
+ return (addr >= __pa(high_memory)) || ((addr >=0x10000000) && (addr < 0x20000000));
+#else
return addr >= __pa(high_memory);
#endif
+#endif
}
#ifndef ARCH_HAS_VALID_PHYS_ADDR_RANGE
--
1.5.2.1
next prev parent reply other threads:[~2007-06-06 6:54 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-06 6:52 Lemote Loongson 2E patch update [take 2] tiansm
2007-06-06 6:52 ` [PATCH 01/15] new files for lemote fulong mini-PC support tiansm
2007-06-11 15:40 ` Ralf Baechle
2007-06-06 6:52 ` [PATCH 02/15] arch related Makefile update for lemote fulong mini-PC tiansm
2007-06-06 6:52 ` [PATCH 03/15] Kconfig update for lemote fulong miniPC tiansm
2007-06-06 6:52 ` [PATCH 04/15] TO_PHYS_MASK for loongson2 tiansm
2007-06-06 17:41 ` Ralf Baechle
2007-06-06 6:52 ` [PATCH 05/15] add MACH_GROUP_LEMOTE & MACH_LEMOTE_FULONG tiansm
2007-06-06 6:52 ` [PATCH 06/15] define Hit_Invalidate_I to Index_Invalidate_I for loongson2 tiansm
2007-06-06 6:52 ` [PATCH 07/15] add Loongson processor definitions tiansm
2007-06-06 6:52 ` [PATCH 08/15] define MODULE_PROC_FAMILY for Loongson2 tiansm
2007-06-06 6:52 ` [PATCH 09/15] add serial port definition for lemote fulong tiansm
2007-06-12 12:34 ` Ralf Baechle
2007-06-12 12:57 ` Fuxin Zhang
2007-06-12 13:01 ` Ralf Baechle
2007-06-13 18:57 ` Ralf Baechle
2007-06-06 6:52 ` [PATCH 10/15] make cpu_probe recognize Loongson2 tiansm
2007-06-06 6:52 ` [PATCH 11/15] add Loongson support to /proc/cpuinfo tiansm
2007-06-06 6:52 ` [PATCH 12/15] cheat for support of more than 256MB memory tiansm
2007-06-06 6:52 ` [PATCH 13/15] define MODULE_PROC_FAMILY for Loongson2 tiansm
2007-06-06 6:52 ` [PATCH 14/15] tlb handling support for Loongson2 processor tiansm
2007-06-06 6:52 ` tiansm [this message]
2007-06-06 8:01 ` [PATCH 15/15] work around for more than 256MB memory support Franck Bui-Huu
2007-06-06 18:28 ` Ralf Baechle
2007-06-07 6:04 ` [PATCH] override of arch/mips/mm/cache.c: __uncached_access tiansm
2007-06-07 6:22 ` Fuxin Zhang
2007-06-07 17:05 ` Ralf Baechle
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