adafruit-mirror/zephyr
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 8

kernel: mm: rename z_num_pagefaults_get to k_mem_num_*

Browse source 
This is part of a series of moving memory management related
stuff out of the Z_ namespace and into its own namespace.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2024-06-07 11:51:14 -07:00 committed by Anas Nashif
parent 564ca11631
commit 7f6d600dd6
3 changed files with 12 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
kernel/include/mmu.h
View file

@ -356,7 +356,7 @@ void k_mem_page_frames_dump(void);
*
* @return Number of successful page faults
*/
unsigned long z_num_pagefaults_get(void);
unsigned long k_mem_num_pagefaults_get(void);
/**
* Free a page frame physical address by evicting its contents

2
kernel/paging/statistics.c
View file

@ -76,7 +76,7 @@ k_mem_paging_backing_store_histogram_bounds[
#endif /* CONFIG_DEMAND_PAGING_STATS_USING_TIMING_FUNCTIONS */
#endif /* CONFIG_DEMAND_PAGING_TIMING_HISTOGRAM */
unsigned long z_num_pagefaults_get(void)
unsigned long k_mem_num_pagefaults_get(void)
{
unsigned long ret;
unsigned int key;

20
tests/kernel/mem_protect/demand_paging/src/main.c
View file

@ -121,7 +121,7 @@ ZTEST(demand_paging, test_touch_anon_pages)
struct k_mem_paging_stats_t stats;
k_tid_t tid = k_current_get();
faults = z_num_pagefaults_get();
faults = k_mem_num_pagefaults_get();
printk("checking zeroes\n");
/* The mapped area should have started out zeroed. Check this. */
@ -145,7 +145,7 @@ ZTEST(demand_paging, test_touch_anon_pages)
i, &arena[i], arena[i], nums[i % 10]);
}
faults = z_num_pagefaults_get() - faults;
faults = k_mem_num_pagefaults_get() - faults;
/* Specific number depends on how much RAM we have but shouldn't be 0 */
zassert_not_equal(faults, 0UL, "no page faults handled?");
@ -201,7 +201,7 @@ static void test_k_mem_page_out(void)
* are measuring stuff
*/
key = irq_lock();
faults = z_num_pagefaults_get();
faults = k_mem_num_pagefaults_get();
ret = k_mem_page_out(arena, HALF_BYTES);
zassert_equal(ret, 0, "k_mem_page_out failed with %d", ret);
@ -209,7 +209,7 @@ static void test_k_mem_page_out(void)
for (size_t i = 0; i < HALF_BYTES; i++) {
arena[i] = nums[i % 10];
}
faults = z_num_pagefaults_get() - faults;
faults = k_mem_num_pagefaults_get() - faults;
irq_unlock(key);
zassert_equal(faults, HALF_PAGES,
@ -236,12 +236,12 @@ ZTEST(demand_paging_api, test_k_mem_page_in)
k_mem_page_in(arena, HALF_BYTES);
faults = z_num_pagefaults_get();
faults = k_mem_num_pagefaults_get();
/* Write to the supposedly evicted region */
for (size_t i = 0; i < HALF_BYTES; i++) {
arena[i] = nums[i % 10];
}
faults = z_num_pagefaults_get() - faults;
faults = k_mem_num_pagefaults_get() - faults;
irq_unlock(key);
zassert_equal(faults, 0, "%d page faults when 0 expected",
@ -262,11 +262,11 @@ ZTEST(demand_paging_api, test_k_mem_pin)
key = irq_lock();
/* Show no faults writing to the pinned area */
faults = z_num_pagefaults_get();
faults = k_mem_num_pagefaults_get();
for (size_t i = 0; i < HALF_BYTES; i++) {
arena[i] = nums[i % 10];
}
faults = z_num_pagefaults_get() - faults;
faults = k_mem_num_pagefaults_get() - faults;
irq_unlock(key);
zassert_equal(faults, 0, "%d page faults when 0 expected",
@ -309,7 +309,7 @@ ZTEST(demand_paging_stat, test_backing_store_capacity)
zassert_is_null(ret, "k_mem_map shouldn't have succeeded");
key = irq_lock();
faults = z_num_pagefaults_get();
faults = k_mem_num_pagefaults_get();
/* Poke all anonymous memory */
for (size_t i = 0; i < HALF_BYTES; i++) {
arena[i] = nums[i % 10];
@ -317,7 +317,7 @@ ZTEST(demand_paging_stat, test_backing_store_capacity)
for (size_t i = 0; i < size; i++) {
mem[i] = nums[i % 10];
}
faults = z_num_pagefaults_get() - faults;
faults = k_mem_num_pagefaults_get() - faults;
irq_unlock(key);
zassert_not_equal(faults, 0, "should have had some pagefaults");