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authorDavid Howells <dhowells@redhat.com>2006-01-06 00:11:42 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-06 08:33:32 -0800
commitb0e15190ead07056ab0c3844a499ff35e66d27cc (patch)
tree0601a8d68fa051a7ee85d22640e982c0a64f0efc /scripts/ksymoops
parent642fb4d1f1dd2417aa69189fe5ceb81e4fb72900 (diff)
[PATCH] NOMMU: Make SYSV IPC SHM use ramfs facilities on NOMMU
The attached patch makes the SYSV IPC shared memory facilities use the new ramfs facilities on a no-MMU kernel. The following changes are made: (1) There are now shmem_mmap() and shmem_get_unmapped_area() functions to allow the IPC SHM facilities to commune with the tiny-shmem and shmem code. (2) ramfs files now need resizing using do_truncate() rather than by modifying the inode size directly (see shmem_file_setup()). This causes ramfs to attempt to bind a block of pages of sufficient size to the inode. (3) CONFIG_SYSVIPC is no longer contingent on CONFIG_MMU. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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