Hi, On 2019-03-06 09:16, Randy Dunlap wrote: > Hi, > > On 2/27/19 11:12 PM, liaoweixiong wrote: >> diff --git a/fs/pstore/Kconfig b/fs/pstore/Kconfig >> index 7dfe00b..b417bf5 100644 >> --- a/fs/pstore/Kconfig >> +++ b/fs/pstore/Kconfig >> @@ -210,6 +210,27 @@ config PSTORE_BLKOOPS_DMESG_SIZE >> It is the first priority. Take care of that blkoops will take lower >> priority settings if higher priority one do not set. >> >> +config PSTORE_BLKOOPS_PMSG_SIZE >> + int "pmsg size in kbytes for blkoops" >> + depends on PSTORE_BLKOOPS >> + default 64 >> + help >> + This just sets size of pmsg (pmsg_size) for pstore/blk. The value must >> + be a multiple of 4096. Pmsg work only if "blkdev" is set. > > works > Fixed. >> + >> + NOTE that, there are three ways to set parameters of blkoops and >> + prioritize according to configuration flexibility. That is >> + Kconfig < device tree < module parameters. It means that the value can >> + be overwritten by higher priority settings. >> + 1. Kconfig >> + It just sets a default value. >> + 2. device tree >> + It is set on device tree, which will overwrites value from Kconfig, > > overwrite the value from Kconfig, > Fixed. >> + but can also be overwritten by module parameters. >> + 3. module parameters >> + It is the first priority. Take care of that blkoops will take lower >> + priority settings if higher priority one do not set. >> + >> config PSTORE_BLKOOPS_TOTAL_SIZE >> int "total size in kbytes for blkoops" >> depends on PSTORE_BLKOOPS > > cheers. > Thank you. Cheers. -- liaoweixiong
