RE: [PATCH] staging: android: ion: refactory ion_alloc for kernel driver use

>-Original Message- >From: Greg Kroah-Hartman [mailto:gre...@linuxfoundation.org] >Sent: Saturday, March 30, 2019 12:04 AM >To: Zengtao (B) >Cc: labb...@redhat.com; sumit.sem...@linaro.org; >de...@driverdev.osuosl.org; Todd Kjos ; >linux-ker...@vg

RE: [PATCH] staging: android: ion: refactory ion_alloc for kernel driver use

>-Original Message- >From: Dan Carpenter [mailto:dan.carpen...@oracle.com] >Sent: Friday, March 29, 2019 7:03 PM >To: Zengtao (B) >Cc: labb...@redhat.com; sumit.sem...@linaro.org; >de...@driverdev.osuosl.org; Todd Kjos ; Greg >Kroah-Hartman ; >linux-ker...

RE: [PATCH] staging: android: ion: refactory ion_alloc for kernel driver use

>-Original Message- >From: Greg Kroah-Hartman [mailto:gre...@linuxfoundation.org] >Sent: Saturday, March 30, 2019 12:02 AM >To: Zengtao (B) >Cc: labb...@redhat.com; sumit.sem...@linaro.org; >de...@driverdev.osuosl.org; Todd Kjos ; >linux-ker...@vg

RE: [PATCH] staging: android: ion: refactory ion_alloc for kernel driver use

Hi laura: >-Original Message- >From: Laura Abbott [mailto:labb...@redhat.com] >Sent: Friday, March 29, 2019 9:27 PM >To: Zengtao (B) ; sumit.sem...@linaro.org >Cc: Greg Kroah-Hartman ; Arve Hjønnevåg >; Todd Kjos ; Martijn Coenen >; Joel Fernandes ; &g

RE: [PATCH] staging: android: ion: add buffer flag update ioctl

>-Original Message- >From: Laura Abbott [mailto:labb...@redhat.com] >Sent: Friday, January 04, 2019 9:53 AM >To: Zengtao (B) ; sumit.sem...@linaro.org >Cc: Greg Kroah-Hartman ; Arve Hjønnevåg >; Todd Kjos ; Martijn Coenen >; Joel Fernandes ; >de...@driv

RE: [PATCH] staging: android: ion: add buffer flag update ioctl

>-Original Message- >From: Laura Abbott [mailto:labb...@redhat.com] >Sent: Thursday, January 03, 2019 6:31 AM >To: Zengtao (B) ; sumit.sem...@linaro.org >Cc: Greg Kroah-Hartman ; Arve Hjønnevåg >; Todd Kjos ; Martijn Coenen >; Joel Fernandes ; >de...@driv

RE: [PATCH] staging: android: ion: add buffer flag update ioctl

Hi laura: >-Original Message- >From: Laura Abbott [mailto:labb...@redhat.com] >Sent: Friday, December 21, 2018 4:50 AM >To: Zengtao (B) ; sumit.sem...@linaro.org >Cc: Greg Kroah-Hartman ; Arve Hjønnevåg >; Todd Kjos ; Martijn Coenen >; Joel Fernandes ; >de...@driv

RE: [PATCH] staging: android: ion: add buffer flag update ioctl

Hi laura: >-Original Message- >From: Laura Abbott [mailto:labb...@redhat.com] >Sent: Thursday, December 20, 2018 2:10 AM >To: Zengtao (B) ; sumit.sem...@linaro.org >Cc: Greg Kroah-Hartman ; Arve Hjønnevåg >; Todd Kjos ; Martijn Coenen >; Joel Fernandes ; >de...@d

答复: 答复: [PATCH] ION: Sys_heap: fix the incorrect pool->gfp_mask setting

>-邮件原件- >发件人: Laura Abbott [mailto:labb...@redhat.com] >发送时间: 2018年1月11日 8:01 >收件人: Zengtao (B) <prime.z...@hisilicon.com>; Dan Carpenter ><dan.carpen...@oracle.com>; Chenfeng (puck) <puck.c...@hisilicon.com> >抄送: sumit.sem...@linaro.org; gre...@linuxf

答复: [PATCH] ION: Sys_heap: fix the incorrect pool->gfp_mask setting

>-邮件原件- >发件人: Dan Carpenter [mailto:dan.carpen...@oracle.com] >发送时间: 2018年1月9日 17:14 >收件人: Chenfeng (puck) <puck.c...@hisilicon.com> >抄送: Zengtao (B) <prime.z...@hisilicon.com>; labb...@redhat.com; >sumit.sem...@linaro.org; gre...@linuxfoundation.org; a...@a

答复: 答复: Using ion memory for direct-io

>-邮件原件- >发件人: Laura Abbott [mailto:labb...@redhat.com] >发送时间: 2017年4月18日 23:56 >收件人: Zengtao (B) <prime.z...@hisilicon.com>; sumit.sem...@linaro.org >抄送: gre...@linuxfoundation.org; a...@android.com; >riandr...@android.com; de...@driverdev.osuosl.org; >linux-ker

答复: Using ion memory for direct-io

Hi Laura: >-邮件原件- >发件人: Laura Abbott [mailto:labb...@redhat.com] >发送时间: 2017年4月18日 0:14 >收件人: Zengtao (B) <prime.z...@hisilicon.com>; sumit.sem...@linaro.org >抄送: gre...@linuxfoundation.org; a...@android.com; >riandr...@android.com; de...@driverde

Using ion memory for direct-io

Hi Currently, the ion mapped to userspace will be forced with VM_IO and VM_PFNMAP flags. When I use the ion memory to do the direct-io, it will fail when reaching the get_user_pages, Back to the VM_IO and VM_PFNMAP flag, there two flags are introduced by the remap_pfn_range called by the

[PATCH] drivers: android: fix watermark when cma enabled

From: Zeng Tao prime.z...@hisilicon.com Date: Tue, 5 Aug 2014 17:58:10 +0800 Subject: [PATCH] drivers: android: fix watermark when cma enabled when cma is enabled, the watermark caculation will include the cma pages, while it can't use cma pages. this will cause oom while lowmemory killer don't

Fix the Signature 答复: [PATCH] drivers: android: fix watermark when cma enabled

= global_page_state(NR_FILE_PAGES) - global_page_state(NR_SHMEM); -- 1.7.0.4 -邮件原件- 发件人: Dan Carpenter [mailto:dan.carpen...@oracle.com] 发送时间: 2014年8月5日 18:36 收件人: Zengtao (B) 抄送: de...@driverdev.osuosl.org; gre...@linuxfoundation.org 主题: Re: [PATCH

[PATCH] drivers: android: fix watermark when cma enabled

From: zengtao prime.z...@hisilicon.com when cma is enabled, the watermark caculation will include the cma pages, while it can't use cma pages. this will cause oom while lowmemory killer don't work. Signed-off-by: zengtao prime.z...@hisilicon.com --- drivers/staging/android/lowmemorykiller.c |