Displaying 20 results from an estimated 23 matches for "poison_pag".
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poison_page
2018 Feb 07
2
[PATCH v27 3/4] mm/page_poison: expose page_poisoning_enabled to kernel modules
...son.c
> @@ -30,6 +30,11 @@ bool page_poisoning_enabled(void)
> debug_pagealloc_enabled()));
> }
>
> +/**
> + * page_poisoning_enabled - check if page poisoning is enabled
> + *
> + * Return true if page poisoning is enabled, or false if not.
> + */
> static void poison_page(struct page *page)
> {
> void *addr = kmap_atomic(page);
> @@ -37,6 +42,7 @@ static void poison_page(struct page *page)
> memset(addr, PAGE_POISON, PAGE_SIZE);
> kunmap_atomic(addr);
> }
> +EXPORT_SYMBOL_GPL(page_poisoning_enabled);
>
> static void poison_page...
2018 Feb 07
2
[PATCH v27 3/4] mm/page_poison: expose page_poisoning_enabled to kernel modules
...son.c
> @@ -30,6 +30,11 @@ bool page_poisoning_enabled(void)
> debug_pagealloc_enabled()));
> }
>
> +/**
> + * page_poisoning_enabled - check if page poisoning is enabled
> + *
> + * Return true if page poisoning is enabled, or false if not.
> + */
> static void poison_page(struct page *page)
> {
> void *addr = kmap_atomic(page);
> @@ -37,6 +42,7 @@ static void poison_page(struct page *page)
> memset(addr, PAGE_POISON, PAGE_SIZE);
> kunmap_atomic(addr);
> }
> +EXPORT_SYMBOL_GPL(page_poisoning_enabled);
>
> static void poison_page...
2018 Feb 07
0
[PATCH v27 3/4] mm/page_poison: expose page_poisoning_enabled to kernel modules
...2a 100644
--- a/mm/page_poison.c
+++ b/mm/page_poison.c
@@ -30,6 +30,11 @@ bool page_poisoning_enabled(void)
debug_pagealloc_enabled()));
}
+/**
+ * page_poisoning_enabled - check if page poisoning is enabled
+ *
+ * Return true if page poisoning is enabled, or false if not.
+ */
static void poison_page(struct page *page)
{
void *addr = kmap_atomic(page);
@@ -37,6 +42,7 @@ static void poison_page(struct page *page)
memset(addr, PAGE_POISON, PAGE_SIZE);
kunmap_atomic(addr);
}
+EXPORT_SYMBOL_GPL(page_poisoning_enabled);
static void poison_pages(struct page *page, int n)
{
--
2.7.4
2018 Feb 08
0
[PATCH v27 3/4] mm/page_poison: expose page_poisoning_enabled to kernel modules
...poisoning_enabled(void)
>> debug_pagealloc_enabled()));
>> }
>>
>> +/**
>> + * page_poisoning_enabled - check if page poisoning is enabled
>> + *
>> + * Return true if page poisoning is enabled, or false if not.
>> + */
>> static void poison_page(struct page *page)
>> {
>> void *addr = kmap_atomic(page);
>> @@ -37,6 +42,7 @@ static void poison_page(struct page *page)
>> memset(addr, PAGE_POISON, PAGE_SIZE);
>> kunmap_atomic(addr);
>> }
>> +EXPORT_SYMBOL_GPL(page_poisoning_enabled);
>...
2018 Feb 07
5
[PATCH v27 0/4] Virtio-balloon: support free page reporting
This patch series is separated from the previous "Virtio-balloon
Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT,
implemented by this series enables the virtio-balloon driver to report
hints of guest free pages to the host. It can be used to accelerate live
migration of VMs. Here is an introduction of this usage:
Live migration needs to transfer the VM's
2018 Mar 26
0
[PATCH v29 3/4] mm/page_poison: expose page_poisoning_enabled to kernel modules
...e poisoning is enabled, or false if not.
+ */
bool page_poisoning_enabled(void)
{
/*
@@ -29,6 +34,7 @@ bool page_poisoning_enabled(void)
(!IS_ENABLED(CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC) &&
debug_pagealloc_enabled()));
}
+EXPORT_SYMBOL_GPL(page_poisoning_enabled);
static void poison_page(struct page *page)
{
--
2.7.4
2018 Feb 08
0
[PATCH v28 3/4] mm/page_poison: add a function to expose page poison val to kernel modules
...-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 1c77d88..d95e5d3 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2469,11 +2469,13 @@ extern int apply_to_page_range(struct mm_struct *mm, unsigned long address,
extern bool page_poisoning_enabled(void);
extern void kernel_poison_pages(struct page *page, int numpages, int enable);
extern bool page_is_poisoned(struct page *page);
+extern bool page_poison_val_get(u8 *val);
#else
static inline bool page_poisoning_enabled(void) { return false; }
static inline void kernel_poison_pages(struct page *page, int numpages,
int e...
2018 Feb 07
2
[PATCH v26 2/2 RESEND] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT
...e poisoning is enabled, or false if not.
+ */
bool page_poisoning_enabled(void)
{
/*
@@ -29,6 +34,7 @@ bool page_poisoning_enabled(void)
(!IS_ENABLED(CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC) &&
debug_pagealloc_enabled()));
}
+EXPORT_SYMBOL_GPL(page_poisoning_enabled);
static void poison_page(struct page *page)
{
--
2.7.4
2018 Feb 07
2
[PATCH v26 2/2 RESEND] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT
...e poisoning is enabled, or false if not.
+ */
bool page_poisoning_enabled(void)
{
/*
@@ -29,6 +34,7 @@ bool page_poisoning_enabled(void)
(!IS_ENABLED(CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC) &&
debug_pagealloc_enabled()));
}
+EXPORT_SYMBOL_GPL(page_poisoning_enabled);
static void poison_page(struct page *page)
{
--
2.7.4
2018 Mar 26
7
[PATCH v29 0/4] Virtio-balloon: support free page reporting
This patch series is separated from the previous "Virtio-balloon
Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT,
implemented by this series enables the virtio-balloon driver to report
hints of guest free pages to the host. It can be used to accelerate live
migration of VMs. Here is an introduction of this usage:
Live migration needs to transfer the VM's
2018 Feb 07
0
[PATCH v26 2/2 RESEND] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT
...bool page_poisoning_enabled(void)
> {
> /*
> @@ -29,6 +34,7 @@ bool page_poisoning_enabled(void)
> (!IS_ENABLED(CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC) &&
> debug_pagealloc_enabled()));
> }
> +EXPORT_SYMBOL_GPL(page_poisoning_enabled);
>
> static void poison_page(struct page *page)
> {
> --
> 2.7.4
2018 Feb 08
9
[PATCH v28 0/4] Virtio-balloon: support free page reporting
This patch series is separated from the previous "Virtio-balloon
Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT,
implemented by this series enables the virtio-balloon driver to report
hints of guest free pages to the host. It can be used to accelerate live
migration of VMs. Here is an introduction of this usage:
Live migration needs to transfer the VM's
2018 Feb 08
9
[PATCH v28 0/4] Virtio-balloon: support free page reporting
This patch series is separated from the previous "Virtio-balloon
Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT,
implemented by this series enables the virtio-balloon driver to report
hints of guest free pages to the host. It can be used to accelerate live
migration of VMs. Here is an introduction of this usage:
Live migration needs to transfer the VM's
2018 Apr 10
4
[PATCH v32 0/4] Virtio-balloon: support free page reporting
This patch series is separated from the previous "Virtio-balloon
Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT,
implemented by this series enables the virtio-balloon driver to report
hints of guest free pages to the host. It can be used to accelerate live
migration of VMs. Here is an introduction of this usage:
Live migration needs to transfer the VM's
2018 Apr 03
5
[PATCH v30 0/4] Virtio-balloon: support free page reporting
This patch series is separated from the previous "Virtio-balloon
Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT,
implemented by this series enables the virtio-balloon driver to report
hints of guest free pages to the host. It can be used to accelerate live
migration of VMs. Here is an introduction of this usage:
Live migration needs to transfer the VM's
2018 Jun 15
10
[PATCH v33 0/4] Virtio-balloon: support free page reporting
This patch series is separated from the previous "Virtio-balloon
Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT,
implemented by this series enables the virtio-balloon driver to report
hints of guest free pages to the host. It can be used to accelerate live
migration of VMs. Here is an introduction of this usage:
Live migration needs to transfer the VM's
2018 Jun 15
10
[PATCH v33 0/4] Virtio-balloon: support free page reporting
This patch series is separated from the previous "Virtio-balloon
Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT,
implemented by this series enables the virtio-balloon driver to report
hints of guest free pages to the host. It can be used to accelerate live
migration of VMs. Here is an introduction of this usage:
Live migration needs to transfer the VM's
2018 Apr 06
5
[PATCH v31 0/4] Virtio-balloon: support free page reporting
This patch series is separated from the previous "Virtio-balloon
Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT,
implemented by this series enables the virtio-balloon driver to report
hints of guest free pages to the host. It can be used to accelerate live
migration of VMs. Here is an introduction of this usage:
Live migration needs to transfer the VM's
2018 Jul 10
7
[PATCH v35 0/5] Virtio-balloon: support free page reporting
This patch series is separated from the previous "Virtio-balloon
Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT,
implemented by this series enables the virtio-balloon driver to report
hints of guest free pages to the host. It can be used to accelerate live
migration of VMs. Here is an introduction of this usage:
Live migration needs to transfer the VM's
2018 Jul 20
10
[PATCH v36 0/5] Virtio-balloon: support free page reporting
This patch series is separated from the previous "Virtio-balloon
Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT,
implemented by this series enables the virtio-balloon driver to report
hints of guest free pages to the host. It can be used to accelerate live
migration of VMs. Here is an introduction of this usage:
Live migration needs to transfer the VM's