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authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2020-01-17 10:01:37 +0100
committerThomas Gleixner <tglx@linutronix.de>2020-01-24 20:40:09 +0100
commitcb923159bbb8cc8fe09c19a3435ee11fd546f3d3 (patch)
treeaef64dac868e61f25a43de74f578e2a3a72b4b2a
parent67719ef25eeb2048b11befa6a757aeb3848b5df1 (diff)
smp: Remove allocation mask from on_each_cpu_cond.*()
The allocation mask is no longer used by on_each_cpu_cond() and on_each_cpu_cond_mask() and can be removed. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/r/20200117090137.1205765-4-bigeasy@linutronix.de
-rw-r--r--arch/x86/mm/tlb.c2
-rw-r--r--fs/buffer.c2
-rw-r--r--include/linux/smp.h5
-rw-r--r--kernel/smp.c13
-rw-r--r--kernel/up.c7
-rw-r--r--mm/slub.c2
6 files changed, 11 insertions, 20 deletions
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index e6a9edc5baaf..66f96f21a7b6 100644
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -708,7 +708,7 @@ void native_flush_tlb_others(const struct cpumask *cpumask,
(void *)info, 1);
else
on_each_cpu_cond_mask(tlb_is_not_lazy, flush_tlb_func_remote,
- (void *)info, 1, GFP_ATOMIC, cpumask);
+ (void *)info, 1, cpumask);
}
/*
diff --git a/fs/buffer.c b/fs/buffer.c
index 18a87ec8a465..b8d28370cfd7 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1433,7 +1433,7 @@ static bool has_bh_in_lru(int cpu, void *dummy)
void invalidate_bh_lrus(void)
{
- on_each_cpu_cond(has_bh_in_lru, invalidate_bh_lru, NULL, 1, GFP_KERNEL);
+ on_each_cpu_cond(has_bh_in_lru, invalidate_bh_lru, NULL, 1);
}
EXPORT_SYMBOL_GPL(invalidate_bh_lrus);
diff --git a/include/linux/smp.h b/include/linux/smp.h
index 4734416855aa..cbc9162689d0 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -51,11 +51,10 @@ void on_each_cpu_mask(const struct cpumask *mask, smp_call_func_t func,
* processor.
*/
void on_each_cpu_cond(smp_cond_func_t cond_func, smp_call_func_t func,
- void *info, bool wait, gfp_t gfp_flags);
+ void *info, bool wait);
void on_each_cpu_cond_mask(smp_cond_func_t cond_func, smp_call_func_t func,
- void *info, bool wait, gfp_t gfp_flags,
- const struct cpumask *mask);
+ void *info, bool wait, const struct cpumask *mask);
int smp_call_function_single_async(int cpu, call_single_data_t *csd);
diff --git a/kernel/smp.c b/kernel/smp.c
index e17e6344ab54..3b7bedc97af3 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -679,11 +679,6 @@ EXPORT_SYMBOL(on_each_cpu_mask);
* @info: An arbitrary pointer to pass to both functions.
* @wait: If true, wait (atomically) until function has
* completed on other CPUs.
- * @gfp_flags: GFP flags to use when allocating the cpumask
- * used internally by the function.
- *
- * The function might sleep if the GFP flags indicates a non
- * atomic allocation is allowed.
*
* Preemption is disabled to protect against CPUs going offline but not online.
* CPUs going online during the call will not be seen or sent an IPI.
@@ -692,8 +687,7 @@ EXPORT_SYMBOL(on_each_cpu_mask);
* from a hardware interrupt handler or from a bottom half handler.
*/
void on_each_cpu_cond_mask(smp_cond_func_t cond_func, smp_call_func_t func,
- void *info, bool wait, gfp_t gfp_flags,
- const struct cpumask *mask)
+ void *info, bool wait, const struct cpumask *mask)
{
int cpu = get_cpu();
@@ -710,10 +704,9 @@ void on_each_cpu_cond_mask(smp_cond_func_t cond_func, smp_call_func_t func,
EXPORT_SYMBOL(on_each_cpu_cond_mask);
void on_each_cpu_cond(smp_cond_func_t cond_func, smp_call_func_t func,
- void *info, bool wait, gfp_t gfp_flags)
+ void *info, bool wait)
{
- on_each_cpu_cond_mask(cond_func, func, info, wait, gfp_flags,
- cpu_online_mask);
+ on_each_cpu_cond_mask(cond_func, func, info, wait, cpu_online_mask);
}
EXPORT_SYMBOL(on_each_cpu_cond);
diff --git a/kernel/up.c b/kernel/up.c
index 5c0d4f2bece2..53144d056252 100644
--- a/kernel/up.c
+++ b/kernel/up.c
@@ -69,8 +69,7 @@ EXPORT_SYMBOL(on_each_cpu_mask);
* same condtions in UP and SMP.
*/
void on_each_cpu_cond_mask(smp_cond_func_t cond_func, smp_call_func_t func,
- void *info, bool wait, gfp_t gfp_flags,
- const struct cpumask *mask)
+ void *info, bool wait, const struct cpumask *mask)
{
unsigned long flags;
@@ -85,9 +84,9 @@ void on_each_cpu_cond_mask(smp_cond_func_t cond_func, smp_call_func_t func,
EXPORT_SYMBOL(on_each_cpu_cond_mask);
void on_each_cpu_cond(smp_cond_func_t cond_func, smp_call_func_t func,
- void *info, bool wait, gfp_t gfp_flags)
+ void *info, bool wait)
{
- on_each_cpu_cond_mask(cond_func, func, info, wait, gfp_flags, NULL);
+ on_each_cpu_cond_mask(cond_func, func, info, wait, NULL);
}
EXPORT_SYMBOL(on_each_cpu_cond);
diff --git a/mm/slub.c b/mm/slub.c
index 8eafccf75940..2e1a57723f8e 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2341,7 +2341,7 @@ static bool has_cpu_slab(int cpu, void *info)
static void flush_all(struct kmem_cache *s)
{
- on_each_cpu_cond(has_cpu_slab, flush_cpu_slab, s, 1, GFP_ATOMIC);
+ on_each_cpu_cond(has_cpu_slab, flush_cpu_slab, s, 1);
}
/*