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Message-Id: <20230306160651.2016767-6-vernon2gm@gmail.com>
Date: Tue, 7 Mar 2023 00:06:51 +0800
From: Vernon Yang <vernon2gm@...il.com>
To: torvalds@...ux-foundation.org, tytso@....edu, Jason@...c4.com,
davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
pabeni@...hat.com, jejb@...ux.ibm.com, martin.petersen@...cle.com,
yury.norov@...il.com, andriy.shevchenko@...ux.intel.com,
linux@...musvillemoes.dk, james.smart@...adcom.com,
dick.kennedy@...adcom.com
Cc: linux-kernel@...r.kernel.org, wireguard@...ts.zx2c4.com,
netdev@...r.kernel.org, linux-scsi@...r.kernel.org,
Vernon Yang <vernon2gm@...il.com>
Subject: [PATCH 5/5] cpumask: fix comment of cpumask_xxx
After commit 596ff4a09b89 ("cpumask: re-introduce constant-sized cpumask
optimizations"), the cpumask size is divided into three different case,
so fix comment of cpumask_xxx correctly.
Signed-off-by: Vernon Yang <vernon2gm@...il.com>
---
include/linux/cpumask.h | 46 ++++++++++++++++++++---------------------
1 file changed, 23 insertions(+), 23 deletions(-)
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 8fbe76607965..248bdb1c50dc 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -155,7 +155,7 @@ static __always_inline unsigned int cpumask_check(unsigned int cpu)
* cpumask_first - get the first cpu in a cpumask
* @srcp: the cpumask pointer
*
- * Returns >= nr_cpu_ids if no cpus set.
+ * Returns >= small_cpumask_bits if no cpus set.
*/
static inline unsigned int cpumask_first(const struct cpumask *srcp)
{
@@ -166,7 +166,7 @@ static inline unsigned int cpumask_first(const struct cpumask *srcp)
* cpumask_first_zero - get the first unset cpu in a cpumask
* @srcp: the cpumask pointer
*
- * Returns >= nr_cpu_ids if all cpus are set.
+ * Returns >= small_cpumask_bits if all cpus are set.
*/
static inline unsigned int cpumask_first_zero(const struct cpumask *srcp)
{
@@ -178,7 +178,7 @@ static inline unsigned int cpumask_first_zero(const struct cpumask *srcp)
* @src1p: the first input
* @src2p: the second input
*
- * Returns >= nr_cpu_ids if no cpus set in both. See also cpumask_next_and().
+ * Returns >= small_cpumask_bits if no cpus set in both. See also cpumask_next_and().
*/
static inline
unsigned int cpumask_first_and(const struct cpumask *srcp1, const struct cpumask *srcp2)
@@ -190,7 +190,7 @@ unsigned int cpumask_first_and(const struct cpumask *srcp1, const struct cpumask
* cpumask_last - get the last CPU in a cpumask
* @srcp: - the cpumask pointer
*
- * Returns >= nr_cpumask_bits if no CPUs set.
+ * Returns >= small_cpumask_bits if no CPUs set.
*/
static inline unsigned int cpumask_last(const struct cpumask *srcp)
{
@@ -202,7 +202,7 @@ static inline unsigned int cpumask_last(const struct cpumask *srcp)
* @n: the cpu prior to the place to search (ie. return will be > @n)
* @srcp: the cpumask pointer
*
- * Returns >= nr_cpu_ids if no further cpus set.
+ * Returns >= small_cpumask_bits if no further cpus set.
*/
static inline
unsigned int cpumask_next(int n, const struct cpumask *srcp)
@@ -218,7 +218,7 @@ unsigned int cpumask_next(int n, const struct cpumask *srcp)
* @n: the cpu prior to the place to search (ie. return will be > @n)
* @srcp: the cpumask pointer
*
- * Returns >= nr_cpu_ids if no further cpus unset.
+ * Returns >= small_cpumask_bits if no further cpus unset.
*/
static inline unsigned int cpumask_next_zero(int n, const struct cpumask *srcp)
{
@@ -258,7 +258,7 @@ unsigned int cpumask_any_distribute(const struct cpumask *srcp);
* @src1p: the first cpumask pointer
* @src2p: the second cpumask pointer
*
- * Returns >= nr_cpu_ids if no further cpus set in both.
+ * Returns >= small_cpumask_bits if no further cpus set in both.
*/
static inline
unsigned int cpumask_next_and(int n, const struct cpumask *src1p,
@@ -276,7 +276,7 @@ unsigned int cpumask_next_and(int n, const struct cpumask *src1p,
* @cpu: the (optionally unsigned) integer iterator
* @mask: the cpumask pointer
*
- * After the loop, cpu is >= nr_cpu_ids.
+ * After the loop, cpu is >= small_cpumask_bits.
*/
#define for_each_cpu(cpu, mask) \
for_each_set_bit(cpu, cpumask_bits(mask), small_cpumask_bits)
@@ -310,7 +310,7 @@ unsigned int __pure cpumask_next_wrap(int n, const struct cpumask *mask, int sta
*
* The implementation does not assume any bit in @mask is set (including @start).
*
- * After the loop, cpu is >= nr_cpu_ids.
+ * After the loop, cpu is >= small_cpumask_bits.
*/
#define for_each_cpu_wrap(cpu, mask, start) \
for_each_set_bit_wrap(cpu, cpumask_bits(mask), small_cpumask_bits, start)
@@ -327,7 +327,7 @@ unsigned int __pure cpumask_next_wrap(int n, const struct cpumask *mask, int sta
* for_each_cpu(cpu, &tmp)
* ...
*
- * After the loop, cpu is >= nr_cpu_ids.
+ * After the loop, cpu is >= small_cpumask_bits.
*/
#define for_each_cpu_and(cpu, mask1, mask2) \
for_each_and_bit(cpu, cpumask_bits(mask1), cpumask_bits(mask2), small_cpumask_bits)
@@ -345,7 +345,7 @@ unsigned int __pure cpumask_next_wrap(int n, const struct cpumask *mask, int sta
* for_each_cpu(cpu, &tmp)
* ...
*
- * After the loop, cpu is >= nr_cpu_ids.
+ * After the loop, cpu is >= small_cpumask_bits.
*/
#define for_each_cpu_andnot(cpu, mask1, mask2) \
for_each_andnot_bit(cpu, cpumask_bits(mask1), cpumask_bits(mask2), small_cpumask_bits)
@@ -375,7 +375,7 @@ unsigned int cpumask_any_but(const struct cpumask *mask, unsigned int cpu)
* @srcp: the cpumask pointer
* @cpu: the N'th cpu to find, starting from 0
*
- * Returns >= nr_cpu_ids if such cpu doesn't exist.
+ * Returns >= small_cpumask_bits if such cpu doesn't exist.
*/
static inline unsigned int cpumask_nth(unsigned int cpu, const struct cpumask *srcp)
{
@@ -388,7 +388,7 @@ static inline unsigned int cpumask_nth(unsigned int cpu, const struct cpumask *s
* @srcp2: the cpumask pointer
* @cpu: the N'th cpu to find, starting from 0
*
- * Returns >= nr_cpu_ids if such cpu doesn't exist.
+ * Returns >= small_cpumask_bits if such cpu doesn't exist.
*/
static inline
unsigned int cpumask_nth_and(unsigned int cpu, const struct cpumask *srcp1,
@@ -404,7 +404,7 @@ unsigned int cpumask_nth_and(unsigned int cpu, const struct cpumask *srcp1,
* @srcp2: the cpumask pointer
* @cpu: the N'th cpu to find, starting from 0
*
- * Returns >= nr_cpu_ids if such cpu doesn't exist.
+ * Returns >= small_cpumask_bits if such cpu doesn't exist.
*/
static inline
unsigned int cpumask_nth_andnot(unsigned int cpu, const struct cpumask *srcp1,
@@ -421,7 +421,7 @@ unsigned int cpumask_nth_andnot(unsigned int cpu, const struct cpumask *srcp1,
* @srcp3: the cpumask pointer
* @cpu: the N'th cpu to find, starting from 0
*
- * Returns >= nr_cpu_ids if such cpu doesn't exist.
+ * Returns >= small_cpumask_bits if such cpu doesn't exist.
*/
static __always_inline
unsigned int cpumask_nth_and_andnot(unsigned int cpu, const struct cpumask *srcp1,
@@ -529,7 +529,7 @@ static inline void cpumask_setall(struct cpumask *dstp)
}
/**
- * cpumask_clear - clear all cpus (< nr_cpu_ids) in a cpumask
+ * cpumask_clear - clear all cpus (< large_cpumask_bits) in a cpumask
* @dstp: the cpumask pointer
*/
static inline void cpumask_clear(struct cpumask *dstp)
@@ -650,7 +650,7 @@ static inline bool cpumask_subset(const struct cpumask *src1p,
/**
* cpumask_empty - *srcp == 0
- * @srcp: the cpumask to that all cpus < nr_cpu_ids are clear.
+ * @srcp: the cpumask to that all cpus < small_cpumask_bits are clear.
*/
static inline bool cpumask_empty(const struct cpumask *srcp)
{
@@ -659,7 +659,7 @@ static inline bool cpumask_empty(const struct cpumask *srcp)
/**
* cpumask_full - *srcp == 0xFFFFFFFF...
- * @srcp: the cpumask to that all cpus < nr_cpu_ids are set.
+ * @srcp: the cpumask to that all cpus < nr_cpumask_bits are set.
*/
static inline bool cpumask_full(const struct cpumask *srcp)
{
@@ -668,7 +668,7 @@ static inline bool cpumask_full(const struct cpumask *srcp)
/**
* cpumask_weight - Count of bits in *srcp
- * @srcp: the cpumask to count bits (< nr_cpu_ids) in.
+ * @srcp: the cpumask to count bits (< small_cpumask_bits) in.
*/
static inline unsigned int cpumask_weight(const struct cpumask *srcp)
{
@@ -677,8 +677,8 @@ static inline unsigned int cpumask_weight(const struct cpumask *srcp)
/**
* cpumask_weight_and - Count of bits in (*srcp1 & *srcp2)
- * @srcp1: the cpumask to count bits (< nr_cpu_ids) in.
- * @srcp2: the cpumask to count bits (< nr_cpu_ids) in.
+ * @srcp1: the cpumask to count bits (< small_cpumask_bits) in.
+ * @srcp2: the cpumask to count bits (< small_cpumask_bits) in.
*/
static inline unsigned int cpumask_weight_and(const struct cpumask *srcp1,
const struct cpumask *srcp2)
@@ -727,7 +727,7 @@ static inline void cpumask_copy(struct cpumask *dstp,
* cpumask_any - pick a "random" cpu from *srcp
* @srcp: the input cpumask
*
- * Returns >= nr_cpu_ids if no cpus set.
+ * Returns >= small_cpumask_bits if no cpus set.
*/
#define cpumask_any(srcp) cpumask_first(srcp)
@@ -736,7 +736,7 @@ static inline void cpumask_copy(struct cpumask *dstp,
* @mask1: the first input cpumask
* @mask2: the second input cpumask
*
- * Returns >= nr_cpu_ids if no cpus set.
+ * Returns >= small_cpumask_bits if no cpus set.
*/
#define cpumask_any_and(mask1, mask2) cpumask_first_and((mask1), (mask2))
--
2.34.1
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