linux-kernel - [PATCH v1 3/3] powerpc: Remove init_mem_is

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Date:   Fri, 24 Sep 2021 14:38:04 +0200
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     Christophe Leroy <christophe.leroy@...roup.eu>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        Michael Neuling <mikey@...ling.org>
Subject: [PATCH v1 3/3] powerpc: Remove init_mem_is_free

init_mem_is_free is not used anymore. Remove it.

Cc: Michael Neuling <mikey@...ling.org>
Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/include/asm/sections.h | 2 --
 arch/powerpc/include/asm/setup.h    | 1 -
 arch/powerpc/mm/mem.c               | 2 --
 3 files changed, 5 deletions(-)

diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h
index dff55421f76b..454b8434bfc4 100644
--- a/arch/powerpc/include/asm/sections.h
+++ b/arch/powerpc/include/asm/sections.h
@@ -10,8 +10,6 @@
 
 #include <asm-generic/sections.h>
 
-extern bool init_mem_is_free;
-
 static inline int arch_is_kernel_initmem_freed(unsigned long addr)
 {
 	if (system_state < SYSTEM_RUNNING)
diff --git a/arch/powerpc/include/asm/setup.h b/arch/powerpc/include/asm/setup.h
index 6c1a7d217d1a..426a2d8d028f 100644
--- a/arch/powerpc/include/asm/setup.h
+++ b/arch/powerpc/include/asm/setup.h
@@ -9,7 +9,6 @@ extern void ppc_printk_progress(char *s, unsigned short hex);
 
 extern unsigned int rtas_data;
 extern unsigned long long memory_limit;
-extern bool init_mem_is_free;
 extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask);
 
 struct device_node;
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index c3c4e31462ec..5b1eae6c0356 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -26,7 +26,6 @@
 #include <mm/mmu_decl.h>
 
 unsigned long long memory_limit;
-bool init_mem_is_free;
 
 unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] __page_aligned_bss;
 EXPORT_SYMBOL(empty_zero_page);
@@ -312,7 +311,6 @@ void free_initmem(void)
 {
 	ppc_md.progress = ppc_printk_progress;
 	mark_initmem_nx();
-	init_mem_is_free = true;
 	free_initmem_default(POISON_FREE_INITMEM);
 }
 
-- 
2.31.1