Re: [PATCHv4 1/2] mm/memblock: add memblock_get_current_limit

From: Nicolas Pitre
Date: Tue Feb 18 2014 - 18:00:19 EST


On Tue, 18 Feb 2014, Laura Abbott wrote:

> Apart from setting the limit of memblock, it's also useful to be able
> to get the limit to avoid recalculating it every time. Add the function
> to do so.
>
> Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
> Acked-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
> Acked-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Laura Abbott <lauraa@xxxxxxxxxxxxxx>

Acked-by: Nicolas Pitre <nico@xxxxxxxxxx>


> ---
> include/linux/memblock.h | 2 ++
> mm/memblock.c | 5 +++++
> 2 files changed, 7 insertions(+), 0 deletions(-)
>
> diff --git a/include/linux/memblock.h b/include/linux/memblock.h
> index 1ef6636..8a20a51 100644
> --- a/include/linux/memblock.h
> +++ b/include/linux/memblock.h
> @@ -252,6 +252,8 @@ static inline void memblock_dump_all(void)
> void memblock_set_current_limit(phys_addr_t limit);
>
>
> +phys_addr_t memblock_get_current_limit(void);
> +
> /*
> * pfn conversion functions
> *
> diff --git a/mm/memblock.c b/mm/memblock.c
> index 39a31e7..7fe5354 100644
> --- a/mm/memblock.c
> +++ b/mm/memblock.c
> @@ -1407,6 +1407,11 @@ void __init_memblock memblock_set_current_limit(phys_addr_t limit)
> memblock.current_limit = limit;
> }
>
> +phys_addr_t __init_memblock memblock_get_current_limit(void)
> +{
> + return memblock.current_limit;
> +}
> +
> static void __init_memblock memblock_dump(struct memblock_type *type, char *name)
> {
> unsigned long long base, size;
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> hosted by The Linux Foundation
>
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