linux-kernel - [PATCH 3/3] raid: substitute empty_zero_page with helper ZERO

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Message-Id: <20221018215755.33566-3-giulio.benetti@benettiengineering.com>
Date:   Tue, 18 Oct 2022 23:57:55 +0200
From:   Giulio Benetti <giulio.benetti@...ettiengineering.com>
To:     Arnd Bergmann <arnd@...db.de>, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org,
        linux-raid@...r.kernel.org
Cc:     "Rafael J . Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>, Mark Brown <broonie@...nel.org>,
        Song Liu <song@...nel.org>,
        Giulio Benetti <giulio.benetti@...ettiengineering.com>
Subject: [PATCH 3/3] raid: substitute empty_zero_page with helper ZERO_PAGE(0)

Not all zero page implementations use empty_zero_page global pointer so
let's substitute empty_zero_page occurence with helper ZERO_PAGE(0).

Signed-off-by: Giulio Benetti <giulio.benetti@...ettiengineering.com>
---
 include/linux/raid/pq.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/raid/pq.h b/include/linux/raid/pq.h
index d6e5a1feb947..2dd46f4c7318 100644
--- a/include/linux/raid/pq.h
+++ b/include/linux/raid/pq.h
@@ -17,7 +17,7 @@
 /* We need a pre-zeroed page... if we don't want to use the kernel-provided
    one define it here */
 #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];
 #endif
-- 
2.34.1