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authorChristoph Hellwig <hch@lst.de>2019-05-13 17:18:34 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-05-14 09:47:47 -0700
commit4afd58e14dd415e456fd236755373f52e6055ec7 (patch)
tree798ce99c030b43504edfec2a704d72d0e852d8a2
parentd8ae8a3765bfa1f9bf977e2496fcc9cf64fbfabd (diff)
downloadlinux-4afd58e14dd415e456fd236755373f52e6055ec7.tar.bz2
initramfs: provide a generic free_initrd_mem implementation
For most architectures free_initrd_mem just expands to the same free_reserved_area call. Provide that as a generic implementation marked __weak. Link: http://lkml.kernel.org/r/20190213174621.29297-8-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> [m68k] Acked-by: Mike Rapoport <rppt@linux.ibm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> [arm64] Cc: Steven Price <steven.price@arm.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Russell King <linux@armlinux.org.uk> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/alpha/mm/init.c8
-rw-r--r--arch/arc/mm/init.c7
-rw-r--r--arch/c6x/mm/init.c7
-rw-r--r--arch/h8300/mm/init.c8
-rw-r--r--arch/m68k/mm/init.c7
-rw-r--r--arch/microblaze/mm/init.c7
-rw-r--r--arch/nds32/mm/init.c7
-rw-r--r--arch/nios2/mm/init.c7
-rw-r--r--arch/openrisc/mm/init.c7
-rw-r--r--arch/parisc/mm/init.c7
-rw-r--r--arch/powerpc/mm/mem.c7
-rw-r--r--arch/sh/mm/init.c7
-rw-r--r--arch/um/kernel/mem.c7
-rw-r--r--arch/unicore32/mm/init.c7
-rw-r--r--init/initramfs.c5
15 files changed, 5 insertions, 100 deletions
diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c
index a42fc5c4db89..97f4940f11e3 100644
--- a/arch/alpha/mm/init.c
+++ b/arch/alpha/mm/init.c
@@ -291,11 +291,3 @@ free_initmem(void)
{
free_initmem_default(-1);
}
-
-#ifdef CONFIG_BLK_DEV_INITRD
-void
-free_initrd_mem(unsigned long start, unsigned long end)
-{
- free_reserved_area((void *)start, (void *)end, -1, "initrd");
-}
-#endif
diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c
index e1ab2d7f1d64..c357a3bd1532 100644
--- a/arch/arc/mm/init.c
+++ b/arch/arc/mm/init.c
@@ -214,10 +214,3 @@ void __ref free_initmem(void)
{
free_initmem_default(-1);
}
-
-#ifdef CONFIG_BLK_DEV_INITRD
-void __init free_initrd_mem(unsigned long start, unsigned long end)
-{
- free_reserved_area((void *)start, (void *)end, -1, "initrd");
-}
-#endif
diff --git a/arch/c6x/mm/init.c b/arch/c6x/mm/init.c
index fe582c3a1794..6fd43ec53507 100644
--- a/arch/c6x/mm/init.c
+++ b/arch/c6x/mm/init.c
@@ -69,13 +69,6 @@ void __init mem_init(void)
mem_init_print_info(NULL);
}
-#ifdef CONFIG_BLK_DEV_INITRD
-void __init free_initrd_mem(unsigned long start, unsigned long end)
-{
- free_reserved_area((void *)start, (void *)end, -1, "initrd");
-}
-#endif
-
void __init free_initmem(void)
{
free_initmem_default(-1);
diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c
index 0f04a5e9aa4f..ea635c9025fe 100644
--- a/arch/h8300/mm/init.c
+++ b/arch/h8300/mm/init.c
@@ -103,14 +103,6 @@ void __init mem_init(void)
mem_init_print_info(NULL);
}
-
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
- free_reserved_area((void *)start, (void *)end, -1, "initrd");
-}
-#endif
-
void
free_initmem(void)
{
diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
index 8868a4c9adae..778cacb7d57b 100644
--- a/arch/m68k/mm/init.c
+++ b/arch/m68k/mm/init.c
@@ -147,10 +147,3 @@ void __init mem_init(void)
init_pointer_tables();
mem_init_print_info(NULL);
}
-
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
- free_reserved_area((void *)start, (void *)end, -1, "initrd");
-}
-#endif
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 7e97d44f6538..b675bc666e68 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -186,13 +186,6 @@ void __init setup_memory(void)
paging_init();
}
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
- free_reserved_area((void *)start, (void *)end, -1, "initrd");
-}
-#endif
-
void free_initmem(void)
{
free_initmem_default(-1);
diff --git a/arch/nds32/mm/init.c b/arch/nds32/mm/init.c
index 1d03633f89a9..9a7065c1fb83 100644
--- a/arch/nds32/mm/init.c
+++ b/arch/nds32/mm/init.c
@@ -257,13 +257,6 @@ void free_initmem(void)
free_initmem_default(-1);
}
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
- free_reserved_area((void *)start, (void *)end, -1, "initrd");
-}
-#endif
-
void __set_fixmap(enum fixed_addresses idx,
phys_addr_t phys, pgprot_t flags)
{
diff --git a/arch/nios2/mm/init.c b/arch/nios2/mm/init.c
index 16cea5776b87..60736a725883 100644
--- a/arch/nios2/mm/init.c
+++ b/arch/nios2/mm/init.c
@@ -82,13 +82,6 @@ void __init mmu_init(void)
flush_tlb_all();
}
-#ifdef CONFIG_BLK_DEV_INITRD
-void __init free_initrd_mem(unsigned long start, unsigned long end)
-{
- free_reserved_area((void *)start, (void *)end, -1, "initrd");
-}
-#endif
-
void __ref free_initmem(void)
{
free_initmem_default(-1);
diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c
index caeb4184e8a6..08df7f0b1d96 100644
--- a/arch/openrisc/mm/init.c
+++ b/arch/openrisc/mm/init.c
@@ -224,13 +224,6 @@ void __init mem_init(void)
return;
}
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
- free_reserved_area((void *)start, (void *)end, -1, "initrd");
-}
-#endif
-
void free_initmem(void)
{
free_initmem_default(-1);
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 3b0f9eab7f2c..11ec1f1221a6 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -917,10 +917,3 @@ void flush_tlb_all(void)
spin_unlock(&sid_lock);
}
#endif
-
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
- free_reserved_area((void *)start, (void *)end, -1, "initrd");
-}
-#endif
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index cd525d709072..20266898f3a8 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -338,13 +338,6 @@ void free_initmem(void)
free_initmem_default(POISON_FREE_INITMEM);
}
-#ifdef CONFIG_BLK_DEV_INITRD
-void __init free_initrd_mem(unsigned long start, unsigned long end)
-{
- free_reserved_area((void *)start, (void *)end, -1, "initrd");
-}
-#endif
-
/*
* This is called when a page has been modified by the kernel.
* It just marks the page as not i-cache clean. We do the i-cache
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 70621324db41..3e68d98af1bd 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -408,13 +408,6 @@ void free_initmem(void)
free_initmem_default(-1);
}
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
- free_reserved_area((void *)start, (void *)end, -1, "initrd");
-}
-#endif
-
#ifdef CONFIG_MEMORY_HOTPLUG
int arch_add_memory(int nid, u64 start, u64 size, struct vmem_altmap *altmap,
bool want_memblock)
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 99aa11bf53d1..a9c9a94c096f 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -188,13 +188,6 @@ void free_initmem(void)
{
}
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
- free_reserved_area((void *)start, (void *)end, -1, "initrd");
-}
-#endif
-
/* Allocate and free page tables. */
pgd_t *pgd_alloc(struct mm_struct *mm)
diff --git a/arch/unicore32/mm/init.c b/arch/unicore32/mm/init.c
index c0573feb5064..6e352de80038 100644
--- a/arch/unicore32/mm/init.c
+++ b/arch/unicore32/mm/init.c
@@ -292,10 +292,3 @@ void free_initmem(void)
{
free_initmem_default(-1);
}
-
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
- free_reserved_area((void *)start, (void *)end, -1, "initrd");
-}
-#endif
diff --git a/init/initramfs.c b/init/initramfs.c
index cb3d17735c66..fcb759a106be 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -527,6 +527,11 @@ extern unsigned long __initramfs_size;
#include <linux/initrd.h>
#include <linux/kexec.h>
+void __weak free_initrd_mem(unsigned long start, unsigned long end)
+{
+ free_reserved_area((void *)start, (void *)end, -1, "initrd");
+}
+
#ifdef CONFIG_KEXEC_CORE
static bool kexec_free_initrd(void)
{