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| author | Christoph Hellwig <hch@lst.de> | 2019-05-13 17:18:37 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-14 09:47:47 -0700 |
| commit | f94f7434cbbb02f7eb55ed5ad66284023c47968f (patch) | |
| tree | 73283bb6c218fdf2ff15d9e1a6b771f3b7caf18a /arch/s390 | |
| parent | 4afd58e14dd415e456fd236755373f52e6055ec7 (diff) | |
| download | linux-f94f7434cbbb02f7eb55ed5ad66284023c47968f.tar.gz linux-f94f7434cbbb02f7eb55ed5ad66284023c47968f.tar.bz2 linux-f94f7434cbbb02f7eb55ed5ad66284023c47968f.zip | |
initramfs: poison freed initrd memory
Various architectures including x86 poison the freed initrd memory. Do
the same in the generic free_initrd_mem implementation and switch a few
more architectures that are identical to the generic code over to it now.
Link: http://lkml.kernel.org/r/20190213174621.29297-9-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com> [arm64]
Cc: Geert Uytterhoeven <geert@linux-m68k.org> [m68k]
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>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/mm/init.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index 7cf48eefec8f..5f48fc7e61d5 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -157,14 +157,6 @@ 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, POISON_FREE_INITMEM, - "initrd"); -} -#endif - unsigned long memory_block_size_bytes(void) { /* |