Re: [OpenWrt-Devel] [PATCH 4/4] ralink: firewrt support memory detect

2015-06-05 Thread Felix Fietkau 
On 2015-06-05 09:30, w...@t-chip.com.cn wrote:
 Dear sir:
 I believe that it will work well on other 256mb memory board .
 
 But FireWRT has 512mb memory .
 I am confuse that enable HIGHMEM is not for using 512mb memory ? 
I'm running my code on the FireWRT board with 512M.
I ran memtester with 465M (biggest mmap it could do without causing OOM).

 Why enable HIGHMEM without using long jump .
kmalloc will only return allocations from low-memory space. As long as
the first 256M are low-mem and the second 256M are high-mem, no
long-jump is needed.

I have another idea for adjusting the code to the memory map you
provided without using long-jump. I'm going to change the highmem start
offset from 0x2000 to 0x1000, that way module allocations will
always fit in the 256M boundary.

- Felix
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Re: [OpenWrt-Devel] [PATCH 4/4] ralink: firewrt support memory detect

2015-06-05 Thread Felix Fietkau 
On 2015-06-05 09:54, w...@t-chip.com.cn wrote:
 Dear sir:
 
 i got it.
 please ignore the 2 patches i have send this morning .
 i will try again and give you more detail.
I now implemented the highmem offset change that I mentioned in my last
email and added your memory map fix. It is working well in my test.

- Felix
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Re: [OpenWrt-Devel] [PATCH 4/4] ralink: firewrt support memory detect

2015-06-04 Thread Felix Fietkau 
On 2015-05-07 04:25, wengbj wrote:
 Signed-off-by: wengbj fl.serv...@t-firefly.com
FYI, I've fixed highmem support for the FireWRT board properly in r45889
+ r45890.
It works fine on my board and I've verified it using memtester.

- Felix
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[OpenWrt-Devel] [PATCH 4/4] ralink: firewrt support memory detect

2015-05-06 Thread wengbj 
Signed-off-by: wengbj fl.serv...@t-firefly.com
---
 target/linux/ramips/dts/FIREWRT.dts |5 -
 1 file changed, 5 deletions(-)

diff --git a/target/linux/ramips/dts/FIREWRT.dts 
b/target/linux/ramips/dts/FIREWRT.dts
index 2b018e6..d0decd5 100644
--- a/target/linux/ramips/dts/FIREWRT.dts
+++ b/target/linux/ramips/dts/FIREWRT.dts
@@ -6,11 +6,6 @@
compatible = mediatek,mt7621-eval-board, mediatek,mt7621-soc;
model = Firefly FireWRT;
 
-   memory@0 {
-   device_type = memory;
-   reg = 0x0 0x1000;
-   };
-
chosen {
bootargs = console=ttyS0,57600;
};
-- 
1.7.9.5
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