* [PATCH 15/16] work around for more than 256MB memory support
@ 2007-04-04 14:38 zhangfx
0 siblings, 0 replies; 2+ messages in thread
From: zhangfx @ 2007-04-04 14:38 UTC (permalink / raw)
To: linux-mips@linux-mips.org
[-- Attachment #1: Type: text/plain, Size: 674 bytes --]
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 f5c160c..580ad3e 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -83,8 +83,12 @@ 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
--
1.4.4.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH 15/16] work around for more than 256MB memory support
2007-04-15 15:26 ` [PATCH 14/16] tlb handling support for Loongson2 processor tiansm
@ 2007-04-15 15:26 ` tiansm
0 siblings, 0 replies; 2+ messages in thread
From: tiansm @ 2007-04-15 15:26 UTC (permalink / raw)
To: linux-mips; +Cc: Fuxin Zhang
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 f5c160c..580ad3e 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -83,8 +83,12 @@ 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
--
1.4.4.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2007-04-15 15:26 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2007-04-04 14:38 [PATCH 15/16] work around for more than 256MB memory support zhangfx
-- strict thread matches above, loose matches on Subject: below --
2007-04-15 15:25 lemote-fulong patch update tiansm
2007-04-15 15:25 ` [PATCH 1/16] new files for lemote fulong mini-PC support tiansm
2007-04-15 15:25 ` [PATCH 2/16] arch related Makefile update for lemote fulong mini-PC tiansm
2007-04-15 15:25 ` [PATCH 3/16] Kconfig " tiansm
2007-04-15 15:25 ` [PATCH 4/16] TO_PHYS_MASK for loongson2 tiansm
2007-04-15 15:25 ` [PATCH 5/16] add MACH_GROUP_LEMOTE & MACH_LEMOTE_FULONG tiansm
2007-04-15 15:25 ` [PATCH 6/16] define Hit_Invalidate_I to Index_Invalidate_I for loongson2 tiansm
2007-04-15 15:25 ` [PATCH 7/16] add Loongson processor definitions tiansm
2007-04-15 15:25 ` [PATCH 8/16] define MODULE_PROC_FAMILY for Loongson2 tiansm
2007-04-15 15:25 ` [PATCH 9/16] add serial port definition for lemote fulong tiansm
2007-04-15 15:25 ` [PATCH 10/16] make cpu_probe recognize Loongson2 tiansm
2007-04-15 15:26 ` [PATCH 11/16] add Loongson support to /proc/cpuinfo tiansm
2007-04-15 15:26 ` [PATCH 12/16] cheat for support of more than 256MB memory tiansm
2007-04-15 15:26 ` [PATCH 13/16] define MODULE_PROC_FAMILY for Loongson2 tiansm
2007-04-15 15:26 ` [PATCH 14/16] tlb handling support for Loongson2 processor tiansm
2007-04-15 15:26 ` [PATCH 15/16] work around for more than 256MB memory support tiansm
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox