linux-kernel - [PATCH 5.10 18/55] memregion: Fix memregion

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Date:   Mon, 11 Jul 2022 11:07:06 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, kernel test robot <lkp@...el.com>,
        Alison Schofield <alison.schofield@...el.com>,
        Dan Williams <dan.j.williams@...el.com>
Subject: [PATCH 5.10 18/55] memregion: Fix memregion_free() fallback definition

From: Dan Williams <dan.j.williams@...el.com>

commit f50974eee5c4a5de1e4f1a3d873099f170df25f8 upstream.

In the CONFIG_MEMREGION=n case, memregion_free() is meant to be a static
inline. 0day reports:

    In file included from drivers/cxl/core/port.c:4:
    include/linux/memregion.h:19:6: warning: no previous prototype for
    function 'memregion_free' [-Wmissing-prototypes]

Mark memregion_free() static.

Fixes: 33dd70752cd7 ("lib: Uplevel the pmem "region" ida to a global allocator")
Reported-by: kernel test robot <lkp@...el.com>
Reviewed-by: Alison Schofield <alison.schofield@...el.com>
Link: https://lore.kernel.org/r/165601455171.4042645.3350844271068713515.stgit@dwillia2-xfh
Signed-off-by: Dan Williams <dan.j.williams@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 include/linux/memregion.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/include/linux/memregion.h
+++ b/include/linux/memregion.h
@@ -16,7 +16,7 @@ static inline int memregion_alloc(gfp_t
 {
 	return -ENOMEM;
 }
-void memregion_free(int id)
+static inline void memregion_free(int id)
 {
 }
 #endif