[PATCH] Can you omit a part of processing of initialization in __pdflush. kernel2.6.23.

- hiroyasu ohyama I think it doesn't have to initialize function callback function which is member of pdflush_work discripter twice and It should do that in head of in infinity loop before calling schedule(). Because the latter initialization which is executed at the 143th line of the

[PATCH]dose it make get_swap_page(mm/swapfiles.c) good performance ?, kernel2.6.22.9.

-hiroyasu ohyama I wonder what corrected attached source makes good performance of getting page slot cluster from page area discripter which is written si in the source codes. Because I think head of swap_list_t discripter doesn't suggest index of swap area which is same priority that

[QUESTION] I have a question about making device driver

I have a question about device driver. I'm writing device driver for parallel port on Linux. In initial function which is argument of module_init() in my device driver, I reserved I/O address region, 0x378-0x37a, with using request_region() and regist my charactor device driver calling

Re: [QUESTION] I have a question about making device driver

by Hiroyasu Ohyama Thank you for giving some advices. I'm writing device driver for parallel port on Linux. Another one? I write it for study and fun. And the main reason I chose parallel port is that I think it is simpler than any other device. In initial function which is argument

[PATCH] I found a type miss in fs/ext2/ext2

Hiroyasu Ohyama == Maybe I found a type miss in fs/ext2/ext2.h which is in linux-2.6.24.3, and write difference below. --- *** fs/ext2/ext2.h 2008-02-26 09:20:20.0 +0900 --- fs/ext2/ext2_correct.h 2008-02-26 19:12:55.0 +0900 *** *** 27,33

[PATCH] ext2: correct type miss (linux-2.6.24.3)

From: Hiroyasu Ohyama Maybe I found a type miss in fs/ext2/ext2.h which is in linux-2.6.24.3, and write difference below. Signed-off-by: Hiroyasu OHYAMA [EMAIL PROTECTED] --- --- fs/ext2/ext2.h.orig 2008-02-27 00:56:34.0 +0900 +++ fs/ext2/ext2.h 2008-02-26 19:12:55.0 +0900

[PATCH]dose it make get_swap_page(mm/swapfiles.c) good performance ?, kernel<2.6.22.9>.

-hiroyasu ohyama I wonder what corrected attached source makes good performance of getting page slot cluster from page area discripter which is written "si" in the source codes. Because I think head of swap_list_t discripter doesn't suggest index of swap area which is same priority that

[PATCH] Can you omit a part of processing of initialization in __pdflush. kernel<2.6.23>.

- hiroyasu ohyama I think it doesn't have to initialize function callback function which is member of pdflush_work discripter twice and It should do that in head of in infinity loop before calling schedule(). Because the latter initialization which is executed at the 143th line of the

[PATCH] I found a type miss in fs/ext2/ext2

Hiroyasu Ohyama == Maybe I found a type miss in fs/ext2/ext2.h which is in linux-2.6.24.3, and write difference below. --- *** fs/ext2/ext2.h 2008-02-26 09:20:20.0 +0900 --- fs/ext2/ext2_correct.h 2008-02-26 19:12:55.0 +0900 *** *** 27,33

[PATCH] ext2: correct type miss (linux-2.6.24.3)

From: Hiroyasu Ohyama Maybe I found a type miss in fs/ext2/ext2.h which is in linux-2.6.24.3, and write difference below. Signed-off-by: Hiroyasu OHYAMA <[EMAIL PROTECTED]> --- --- fs/ext2/ext2.h.orig 2008-02-27 00:56:34.0 +0900 +++ fs/ext2/ext2.h 2008-02-26 19:12:55.0

[QUESTION] I have a question about making device driver

I have a question about device driver. I'm writing device driver for parallel port on Linux. In initial function which is argument of module_init() in my device driver, I reserved I/O address region, 0x378-0x37a, with using request_region() and regist my charactor device driver calling

Re: [QUESTION] I have a question about making device driver

by Hiroyasu Ohyama Thank you for giving some advices. > >>I'm writing device driver for parallel port on Linux. > >Another one? I write it for study and fun. And the main reason I chose parallel port is that I think it is simpler than any other device. > >>In initial function which is