diff options
| author | Pavel Machek <pavel@ucw.cz> | 2005-09-03 18:56:56 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@evo.osdl.org> | 2005-09-05 03:06:14 -0400 |
| commit | 7e958883bced7e435f5a76349e15684858d3477c (patch) | |
| tree | d5b5a670c5917825ac08a67cb9efd0e64afe9799 /Documentation/power/swsusp.txt | |
| parent | 7dc24db1757f950f8bd21b7191106d4bf5134be7 (diff) | |
[PATCH] suspend: update documentation
Update suspend documentation.
Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'Documentation/power/swsusp.txt')
| -rw-r--r-- | Documentation/power/swsusp.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/power/swsusp.txt b/Documentation/power/swsusp.txt index 7a6b78966459..ddf907fbcc05 100644 --- a/Documentation/power/swsusp.txt +++ b/Documentation/power/swsusp.txt | |||
| @@ -311,3 +311,10 @@ As a rule of thumb use encrypted swap to protect your data while your | |||
| 311 | system is shut down or suspended. Additionally use the encrypted | 311 | system is shut down or suspended. Additionally use the encrypted |
| 312 | suspend image to prevent sensitive data from being stolen after | 312 | suspend image to prevent sensitive data from being stolen after |
| 313 | resume. | 313 | resume. |
| 314 | |||
| 315 | Q: Why we cannot suspend to a swap file? | ||
| 316 | |||
| 317 | A: Because accessing swap file needs the filesystem mounted, and | ||
| 318 | filesystem might do something wrong (like replaying the journal) | ||
| 319 | during mount. [Probably could be solved by modifying every filesystem | ||
| 320 | to support some kind of "really read-only!" option. Patches welcome.] | ||