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vmlinux.lds.h: lower init ramfs alignment to 4

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The new init ramfs format (cpio based) requires an alignment of 4 (per the
documentation and per the source files themselves).  As for compressed
sources, the decompressors can all deal with unaligned buffers.

The cpio source is also found in the __init sections of the kernel, so
once they are read and expanded into a tmpfs, the source is freed.  That
means there is no need to force page alignment here either.

This has been used on Blackfin systems for many releases without issue.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mike Frysinger 2010-10-26 14:22:30 -07:00 committed by Linus Torvalds
parent d356c0b680
commit d88262623f
1 changed files with 1 additions and 1 deletions
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2
include/asm-generic/vmlinux.lds.h
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@ -637,7 +637,7 @@
#ifdef CONFIG_BLK_DEV_INITRD
#define INIT_RAM_FS \
. = ALIGN(PAGE_SIZE); \
. = ALIGN(4); \
VMLINUX_SYMBOL(__initramfs_start) = .; \
*(.init.ramfs) \
VMLINUX_SYMBOL(__initramfs_end) = .;