Re: [PATCH 3/3] raid: substitute empty_zero_page with helper ZERO_PAGE(0)
From: Christoph Hellwig <hch@infradead.org>
Date: 2022-10-19 12:26:10
Also in:
linux-acpi, linux-spi, lkml
On Tue, Oct 18, 2022 at 11:57:55PM +0200, Giulio Benetti wrote:
#if RAID6_USE_EMPTY_ZERO_PAGE -# define raid6_empty_zero_page empty_zero_page +# define raid6_empty_zero_page ZERO_PAGE(0) #else extern const char raid6_empty_zero_page[PAGE_SIZE];
RAID6_USE_EMPTY_ZERO_PAGE is never set to a non-zero value. So this is dead code and we can just remove all code related to the RAID6_USE_EMPTY_ZERO_PAGE case.