linux-kernel - [PATCH v5 2/3] memblock: add memblock_free() alloc when CONFIG_HAVE

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Date:   Sun,  4 Mar 2018 16:14:48 -0800
From:   frowand.list@...il.com
To:     Rob Herring <robh+dt@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...e.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Pavel Tatashin <pasha.tatashin@...cle.com>,
        Vlastimil Babka <vbabka@...e.cz>, cpandya@...eaurora.org
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v5 2/3] memblock: add memblock_free() alloc when CONFIG_HAVE_MEMBLOCK is not set

From: Frank Rowand <frank.rowand@...y.com>

When CONFIG_HAVE_MEMBLOCK is not set, an error version of
memblock_alloc() exists.  Add the matching memblock_free().

Signed-off-by: Frank Rowand <frank.rowand@...y.com>
---

Andrew or Michal, can you please ack this patch to be accepted
by Rob?

With "of: add early boot allocation of
of_find_node_by_phandle() cache" applied, kbuild test robot reports
tilex architecture build error due to no prototype for memblock_free().

The version of the patch that kbuild test robot reported was
"[PATCH v4 2/2] of: add early boot allocation of
of_find_node_by_phandle() cache".  An updated version of that
patch is now patch 3/3 of this series.

 include/linux/memblock.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 8be5077efb5f..d6973b1d92bc 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -432,6 +432,10 @@ static inline unsigned long memblock_reserved_memory_within(phys_addr_t start_ad
 	return 0;
 }

+static inline int memblock_free(phys_addr_t base, phys_addr_t size)
+{
+	return 0;
+}
 #endif /* CONFIG_HAVE_MEMBLOCK */

 #endif /* __KERNEL__ */
-- 
Frank Rowand <frank.rowand@...y.com>