Messages in this thread Patch in this message | | | From | Nigel Cunningham <> | Subject | [Suspend2][ 08/12] [Suspend2] Encryption resources needed. | Date | Tue, 27 Jun 2006 14:38:30 +1000 |
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Add routines to return the amount of memory and header storage needed for the encryption module.
Signed-off-by: Nigel Cunningham <nigel@suspend2.net>
kernel/power/encryption.c | 20 ++++++++++++++++++++ 1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/kernel/power/encryption.c b/kernel/power/encryption.c index 25db7ba..d12eb47 100644 --- a/kernel/power/encryption.c +++ b/kernel/power/encryption.c @@ -297,3 +297,23 @@ static int suspend_encrypt_print_debug_s return len; } +/* encryption_memory_needed + * + * Description: Tell the caller how much memory we need to operate during + * suspend/resume. + * Returns: Unsigned long. Maximum number of bytes of memory required for + * operation. + */ +static unsigned long suspend_encrypt_memory_needed(void) +{ + return PAGE_SIZE; +} + +static unsigned long suspend_encrypt_storage_needed(void) +{ + return 4 + strlen(suspend_encryptor_name) + + (suspend_encryptor_save_key_and_iv ? + (4 + strlen(suspend_encryptor_key) + + strlen(suspend_encryptor_iv)) : 0); +} + -- Nigel Cunningham nigel at suspend2 dot net - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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