Pranay Kr. Srivastava, on mer. 22 févr. 2017 12:50:27 +0530, wrote:
> This patch removes the unnecessary allocation of
> current foreground vc during initialization.
>
> This initialization is already handled in the loop
> that follows it for all available virtual consoles.
>
> Also change the prototype of speakup_allocate to take
> extra argument of gfp_* flags. Thus not requiring
> GFP_ATOMIC during initialization.
>
> Signed-off-by: Pranay Kr. Srivastava <pranjas@xxxxxxxxx>
Reviewed-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
> ---
> drivers/staging/speakup/main.c | 19 ++++---------------
> 1 file changed, 4 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/staging/speakup/main.c b/drivers/staging/speakup/main.c
> index 6667cf2..f81a936 100644
> --- a/drivers/staging/speakup/main.c
> +++ b/drivers/staging/speakup/main.c
> @@ -1327,14 +1327,14 @@ static int edit_bits(struct vc_data *vc, u_char type, u_char ch, u_short key)
> }
>
> /* Allocation concurrency is protected by the console semaphore */
> -static int speakup_allocate(struct vc_data *vc)
> +static int speakup_allocate(struct vc_data *vc, gfp_t gfp_flags)
> {
> int vc_num;
>
> vc_num = vc->vc_num;
> if (speakup_console[vc_num] == NULL) {
> speakup_console[vc_num] = kzalloc(sizeof(*speakup_console[0]),
> - GFP_ATOMIC);
> + gfp_flags);
> if (speakup_console[vc_num] == NULL)
> return -ENOMEM;
> speakup_date(vc);
> @@ -2257,7 +2257,7 @@ static int vt_notifier_call(struct notifier_block *nb,
> switch (code) {
> case VT_ALLOCATE:
> if (vc->vc_mode == KD_TEXT)
> - speakup_allocate(vc);
> + speakup_allocate(vc, GFP_ATOMIC);
> break;
> case VT_DEALLOCATE:
> speakup_deallocate(vc);
> @@ -2317,7 +2317,6 @@ static int __init speakup_init(void)
> {
> int i;
> long err = 0;
> - struct st_spk_t *first_console;
> struct vc_data *vc = vc_cons[fg_console].d;
> struct var_t *var;
>
> @@ -2342,18 +2341,9 @@ static int __init speakup_init(void)
> if (err)
> goto error_virtkeyboard;
>
> - first_console = kzalloc(sizeof(*first_console), GFP_KERNEL);
> - if (!first_console) {
> - err = -ENOMEM;
> - goto error_alloc;
> - }
> -
> - speakup_console[vc->vc_num] = first_console;
> - speakup_date(vc);
> -
> for (i = 0; i < MAX_NR_CONSOLES; i++)
> if (vc_cons[i].d) {
> - err = speakup_allocate(vc_cons[i].d);
> + err = speakup_allocate(vc_cons[i].d, GFP_KERNEL);
> if (err)
> goto error_kobjects;
> }
> @@ -2412,7 +2402,6 @@ static int __init speakup_init(void)
> for (i = 0; i < MAX_NR_CONSOLES; i++)
> kfree(speakup_console[i]);
>
> -error_alloc:
> speakup_remove_virtual_keyboard();
>
> error_virtkeyboard:
> --
> 2.10.2
>
--
Samuel
Créer une hiérarchie supplementaire pour remedier à un problème (?) de
dispersion est d'une logique digne des Shadocks.
* BT in: Guide du Cabaliste Usenet - La Cabale vote oui (les Shadocks aussi) *
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