From 6bf79482f3288e19697d08c456b0bd6b1755d467 Mon Sep 17 00:00:00 2001 From: Jeff Dike Date: Sat, 10 Feb 2007 01:44:18 -0800 Subject: [PATCH] [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 Cc: Paolo 'Blaisorblade' Giarrusso Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/um/include/tempfile.h | 10 ---------- arch/um/kernel/mem.c | 3 ++- 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 +/* 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 -- 2.20.1