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David Howells 21ff821630 [PATCH] NOMMU: Fix execution off of ramfs with mmap() ... Fix execution through the FDPIC binfmt of programs stored on ramfs by preventing the ramfs mmap() returning successfully on a private mapping of a ramfs file. This causes NOMMU mmap to make a copy of the mapped portion of the file and map that instead. This could be improved by granting direct mapping access to read-only private mappings for which the data is stored on a contiguous run of pages. However, this is only likely to be the case if the file was extended with truncate before being written. ramfs is left to map the file directly for shared mappings so that SYSV IPC and POSIX shared memory both still work. Signed-off-by: David Howells <dhowells@redhat.com> Cc: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		2006-07-10 13:24:21 -07:00
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Makefile	[PATCH] NOMMU: Provide shared-writable mmap support on ramfs	2006-01-06 08:33:32 -08:00
file-mmu.c	[PATCH] mark address_space_operations const	2006-06-28 14:59:04 -07:00
file-nommu.c	[PATCH] NOMMU: Fix execution off of ramfs with mmap()	2006-07-10 13:24:21 -07:00
inode.c	[PATCH] VFS: Permit filesystem to override root dentry on mount	2006-06-23 07:42:45 -07:00
internal.h	[PATCH] mark address_space_operations const	2006-06-28 14:59:04 -07:00