Re: [U-Boot] [PATCH v2 5/8] README: add info about skip memset at malloc init

Hi Przemyslaw,

On 16 February 2015 at 08:13, Przemyslaw Marczak p.marczak@samsung.com wrote:

Signed-off-by: Przemyslaw Marczak p.marczak@samsung.com

README | 7 +++++++ 1 file changed, 7 insertions(+)

diff --git a/README b/README index fefa71c..8673640 100644 --- a/README +++ b/README @@ -3989,6 +3989,13 @@ Configuration Settings:

• CONFIG_SYS_MALLOC_LEN: Size of DRAM reserved for malloc() use.

+- CONFIG_SYS_MALLOC_INIT_SKIP_ZEROING:

•           Do not set to zero the reserved DRAM area when init malloc.
  

•           For very big CONFIG_SYS_MALLOC_LEN(more than one MB), this will
  

•           reduce the boot time.
  

•           Before enabling this, please check if malloc calls, maybe
  

•           should be replaced by calloc - if expects zeroed memory.
  

I think if you put this in Kconfig you can put this help there.

• CONFIG_SYS_MALLOC_F_LEN Size of the malloc() pool for use before relocation. If this is defined, then a very simple malloc() implementation

(this one is in Kconfig now too)

Regards, Simon