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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>
This commit is contained in:
Christoph Hellwig 2019-05-13 17:18:34 -07:00 committed by Linus Torvalds
parent d8ae8a3765
commit 4afd58e14d
15 changed files with 5 additions and 100 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
arch/alpha/mm/init.c
View File

@ -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

7
arch/arc/mm/init.c
View File

@ -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

7
arch/c6x/mm/init.c
View File

@ -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);

8
arch/h8300/mm/init.c
View File

@ -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)
{

7
arch/m68k/mm/init.c
View File

@ -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

7
arch/microblaze/mm/init.c
View File

@ -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);

7
arch/nds32/mm/init.c
View File

@ -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)
{

7
arch/nios2/mm/init.c
View File

@ -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);

7
arch/openrisc/mm/init.c
View File

@ -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);

7
arch/parisc/mm/init.c
View File

@ -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

7
arch/powerpc/mm/mem.c
View File

@ -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

7
arch/sh/mm/init.c
View File

@ -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)

7
arch/um/kernel/mem.c
View File

@ -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)

7
arch/unicore32/mm/init.c
View File

@ -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

5
init/initramfs.c
View File

@ -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)
{