Re: [PATCH v2 4/4] drivers/base/memory.c: Rename the misleading parameter

From: Matthew Wilcox
Date: Tue Mar 26 2019 - 07:44:02 EST


On Tue, Mar 26, 2019 at 05:02:27PM +0800, Baoquan He wrote:
> The input parameter 'phys_index' of memory_block_action() is actually
> the section number, but not the phys_index of memory_block. Fix it.

> static int
> -memory_block_action(unsigned long phys_index, unsigned long action, int online_type)
> +memory_block_action(unsigned long sec, unsigned long action, int online_type)

'sec' is a bad abbreviation for 'section'. We don't use it anyhere else
in the vm.

Looking through include/, I see it used as an abbreviation for second,
security, ELF section, and section of a book. Nowhere as a memory
block section. Please use an extra four letters for this parameter.