Displaying 9 results from an estimated 9 matches for "swapper_space".
2009 Feb 02
5
[PATCH] btrfs: call mark_inode_dirty when i_size is updated
Hi Chris.
I think it is needed to call mark_inode_dirty() when file size expands
in order to flush metadata updates to HDD through sync() syscall or
background_writeout().
Thanks.
Signed-off-by: Hisashi Hifumi <hifumi.hisashi@oss.ntt.co.jp>
diff -Nrup linux-2.6.29-rc3.org/fs/btrfs/file.c linux-2.6.29-rc3/fs/btrfs/file.c
--- linux-2.6.29-rc3.org/fs/btrfs/file.c 2009-02-02
2007 Apr 18
2
[patch 4/9] Guest page hinting: volatile swap cache.
...he. */
mapping = page->mapping;
- write_lock_irq(&mapping->tree_lock);
- __remove_from_page_cache_nocheck(page);
- write_unlock_irq(&mapping->tree_lock);
- __put_page(page);
+ if (PageSwapCache(page)) {
+ swp_entry_t entry = { .val = page_private(page) };
+ write_lock_irq(&swapper_space.tree_lock);
+ __delete_from_swap_cache_nocheck(page);
+ write_unlock_irq(&swapper_space.tree_lock);
+ swap_free(entry);
+ page_cache_release(page);
+ } else {
+ write_lock_irq(&mapping->tree_lock);
+ __remove_from_page_cache_nocheck(page);
+ write_unlock_irq(&mapping->tree_...
2007 Apr 18
2
[patch 4/9] Guest page hinting: volatile swap cache.
...he. */
mapping = page->mapping;
- write_lock_irq(&mapping->tree_lock);
- __remove_from_page_cache_nocheck(page);
- write_unlock_irq(&mapping->tree_lock);
- __put_page(page);
+ if (PageSwapCache(page)) {
+ swp_entry_t entry = { .val = page_private(page) };
+ write_lock_irq(&swapper_space.tree_lock);
+ __delete_from_swap_cache_nocheck(page);
+ write_unlock_irq(&swapper_space.tree_lock);
+ swap_free(entry);
+ page_cache_release(page);
+ } else {
+ write_lock_irq(&mapping->tree_lock);
+ __remove_from_page_cache_nocheck(page);
+ write_unlock_irq(&mapping->tree_...
2007 Apr 18
0
[patch 7/9] Guest page hinting: minor fault optimization.
...inline void free_swap_cache(struc
void free_page_and_swap_cache(struct page *page)
{
free_swap_cache(page);
- page_cache_release(page);
+ page_cache_release_nocheck(page);
}
/*
@@ -327,7 +327,7 @@ struct page * lookup_swap_cache(swp_entr
{
struct page *page;
- page = find_get_page(&swapper_space, entry.val);
+ page = find_get_page_nodiscard(&swapper_space, entry.val);
if (page)
INC_CACHE_INFO(find_success);
2007 Apr 18
0
[patch 7/9] Guest page hinting: minor fault optimization.
...inline void free_swap_cache(struc
void free_page_and_swap_cache(struct page *page)
{
free_swap_cache(page);
- page_cache_release(page);
+ page_cache_release_nocheck(page);
}
/*
@@ -327,7 +327,7 @@ struct page * lookup_swap_cache(swp_entr
{
struct page *page;
- page = find_get_page(&swapper_space, entry.val);
+ page = find_get_page_nodiscard(&swapper_space, entry.val);
if (page)
INC_CACHE_INFO(find_success);
2007 Jun 28
6
[patch 0/6] resend: guest page hinting version 5.
Greetings,
after Carsten pitched CMM2 on the kvm mini summit here is a repost
of version 5 of the guest page hinting patches. The code is still
the same but has been adapted to the latest git level.
--
blue skies,
Martin.
"Reality continues to ruin my life." - Calvin.
2007 Jun 28
6
[patch 0/6] resend: guest page hinting version 5.
Greetings,
after Carsten pitched CMM2 on the kvm mini summit here is a repost
of version 5 of the guest page hinting patches. The code is still
the same but has been adapted to the latest git level.
--
blue skies,
Martin.
"Reality continues to ruin my life." - Calvin.
2007 May 11
6
[patch 0/6] [rfc] guest page hinting version 5
After way to many months here is the fifth version of the guest page
hinting patches. Compared to version four a few improvements have been
added:
- Avoid page_host_discards() calls outside of page-states.h
- The discard list is now implemented via the page_free_discarded
hook and architecture specific code.
- PG_state_change page flag has been replaced with architecture
specficic
2007 May 11
6
[patch 0/6] [rfc] guest page hinting version 5
After way to many months here is the fifth version of the guest page
hinting patches. Compared to version four a few improvements have been
added:
- Avoid page_host_discards() calls outside of page-states.h
- The discard list is now implemented via the page_free_discarded
hook and architecture specific code.
- PG_state_change page flag has been replaced with architecture
specficic