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| author | Kalle Valo <kvalo@kernel.org> | 2023-01-17 13:36:25 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2023-01-17 13:36:25 +0200 |
| commit | d0e99511834b6828c960e978d9a8cb6e5731250d (patch) | |
| tree | e7b062c1f9d28a55083477a1462286a7923a57fd /kernel/scs.c | |
| parent | de7d0ff301fccc75281d7d8eb98c4a47faacf32d (diff) | |
| parent | 80f8a66dede0a4b4e9e846765a97809c6fe49ce5 (diff) | |
| download | linux-d0e99511834b6828c960e978d9a8cb6e5731250d.tar.gz linux-d0e99511834b6828c960e978d9a8cb6e5731250d.tar.bz2 linux-d0e99511834b6828c960e978d9a8cb6e5731250d.zip | |
Merge wireless into wireless-next
Due to the two cherry picked commits from wireless to wireless-next we have
several conflicts in mt76. To avoid any bugs with conflicts merge wireless into
wireless-next.
96f134dc1964 wifi: mt76: handle possible mt76_rx_token_consume failures
fe13dad8992b wifi: mt76: dma: do not increment queue head if mt76_dma_add_buf fails
Diffstat (limited to 'kernel/scs.c')
| -rw-r--r-- | kernel/scs.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/kernel/scs.c b/kernel/scs.c index b7e1b096d906..d7809affe740 100644 --- a/kernel/scs.c +++ b/kernel/scs.c @@ -12,6 +12,10 @@ #include <linux/vmalloc.h> #include <linux/vmstat.h> +#ifdef CONFIG_DYNAMIC_SCS +DEFINE_STATIC_KEY_FALSE(dynamic_scs_enabled); +#endif + static void __scs_account(void *s, int account) { struct page *scs_page = vmalloc_to_page(s); @@ -101,14 +105,20 @@ static int scs_cleanup(unsigned int cpu) void __init scs_init(void) { + if (!scs_is_enabled()) + return; cpuhp_setup_state(CPUHP_BP_PREPARE_DYN, "scs:scs_cache", NULL, scs_cleanup); } int scs_prepare(struct task_struct *tsk, int node) { - void *s = scs_alloc(node); + void *s; + if (!scs_is_enabled()) + return 0; + + s = scs_alloc(node); if (!s) return -ENOMEM; @@ -148,7 +158,7 @@ void scs_release(struct task_struct *tsk) { void *s = task_scs(tsk); - if (!s) + if (!scs_is_enabled() || !s) return; WARN(task_scs_end_corrupted(tsk), |