diff options
| author | Jeff Dike <jdike@addtoit.com> | 2007-02-10 10:44:18 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-11 19:51:23 +0100 |
| commit | 6bf79482f3288e19697d08c456b0bd6b1755d467 (patch) | |
| tree | ad7c1f9a18e5738175d2d8daeb65e099b6a50b02 /arch/um | |
| parent | [PATCH] uml: locking fixes in the ubd driver (diff) | |
| download | linux-6bf79482f3288e19697d08c456b0bd6b1755d467.tar.xz linux-6bf79482f3288e19697d08c456b0bd6b1755d467.zip | |
[PATCH] uml: locking comments in memory and tempfile code
Locking comments and emacs comment removal in the low-level memory and
temp file code.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um')
| -rw-r--r-- | arch/um/include/tempfile.h | 10 | ||||
| -rw-r--r-- | arch/um/kernel/mem.c | 3 | ||||
| -rw-r--r-- | arch/um/os-Linux/mem.c | 7 |
3 files changed, 9 insertions, 11 deletions
diff --git a/arch/um/include/tempfile.h b/arch/um/include/tempfile.h index e36d9e0f5105..d441eac936b9 100644 --- a/arch/um/include/tempfile.h +++ b/arch/um/include/tempfile.h @@ -9,13 +9,3 @@ extern int make_tempfile(const char *template, char **tempname, int do_unlink); #endif -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c index d1480ff0f2a6..e85d65deea0d 100644 --- a/arch/um/kernel/mem.c +++ b/arch/um/kernel/mem.c @@ -24,8 +24,9 @@ #include "init.h" #include "kern_constants.h" -/* Changed during early boot */ +/* allocated in paging_init, zeroed in mem_init, and unchanged thereafter */ unsigned long *empty_zero_page = NULL; +/* allocated in paging_init and unchanged thereafter */ unsigned long *empty_bad_page = NULL; pgd_t swapper_pg_dir[PTRS_PER_PGD]; unsigned long long highmem; diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c index 4203681e508d..82b874580f63 100644 --- a/arch/um/os-Linux/mem.c +++ b/arch/um/os-Linux/mem.c @@ -20,7 +20,13 @@ #include <sys/param.h> +/* Modified by which_tmpdir, which is called during early boot */ static char *default_tmpdir = "/tmp"; + +/* + * Modified when creating the physical memory file and when checking + * the tmp filesystem for usability, both happening during early boot. + */ static char *tempdir = NULL; static void __init find_tempdir(void) @@ -83,6 +89,7 @@ static int next(int fd, char *buf, int size, char c) return 1; } +/* which_tmpdir is called only during early boot */ static int checked_tmpdir = 0; /* Look for a tmpfs mounted at /dev/shm. I couldn't find a cleaner |