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author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-06 10:31:36 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-06 10:31:36 -0800 |
commit | 8dcd175bc3d50b78413c56d5b17d4bddd77412ef (patch) | |
tree | 2c2fb25759b43f2e73830f07ef3b444d76825280 /drivers/misc/vmw_balloon.c | |
parent | Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc (diff) | |
parent | tools/testing/selftests/proc/proc-self-syscall.c: remove duplicate include (diff) | |
download | linux-dev-8dcd175bc3d50b78413c56d5b17d4bddd77412ef.tar.xz linux-dev-8dcd175bc3d50b78413c56d5b17d4bddd77412ef.zip |
Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton:
- a few misc things
- ocfs2 updates
- most of MM
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (159 commits)
tools/testing/selftests/proc/proc-self-syscall.c: remove duplicate include
proc: more robust bulk read test
proc: test /proc/*/maps, smaps, smaps_rollup, statm
proc: use seq_puts() everywhere
proc: read kernel cpu stat pointer once
proc: remove unused argument in proc_pid_lookup()
fs/proc/thread_self.c: code cleanup for proc_setup_thread_self()
fs/proc/self.c: code cleanup for proc_setup_self()
proc: return exit code 4 for skipped tests
mm,mremap: bail out earlier in mremap_to under map pressure
mm/sparse: fix a bad comparison
mm/memory.c: do_fault: avoid usage of stale vm_area_struct
writeback: fix inode cgroup switching comment
mm/huge_memory.c: fix "orig_pud" set but not used
mm/hotplug: fix an imbalance with DEBUG_PAGEALLOC
mm/memcontrol.c: fix bad line in comment
mm/cma.c: cma_declare_contiguous: correct err handling
mm/page_ext.c: fix an imbalance with kmemleak
mm/compaction: pass pgdat to too_many_isolated() instead of zone
mm: remove zone_lru_lock() function, access ->lru_lock directly
...
Diffstat (limited to 'drivers/misc/vmw_balloon.c')
-rw-r--r-- | drivers/misc/vmw_balloon.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c index f8240b87df22..869ec842729e 100644 --- a/drivers/misc/vmw_balloon.c +++ b/drivers/misc/vmw_balloon.c @@ -557,6 +557,36 @@ vmballoon_page_in_frames(enum vmballoon_page_size_type page_size) } /** + * vmballoon_mark_page_offline() - mark a page as offline + * @page: pointer for the page. + * @page_size: the size of the page. + */ +static void +vmballoon_mark_page_offline(struct page *page, + enum vmballoon_page_size_type page_size) +{ + int i; + + for (i = 0; i < vmballoon_page_in_frames(page_size); i++) + __SetPageOffline(page + i); +} + +/** + * vmballoon_mark_page_online() - mark a page as online + * @page: pointer for the page. + * @page_size: the size of the page. + */ +static void +vmballoon_mark_page_online(struct page *page, + enum vmballoon_page_size_type page_size) +{ + int i; + + for (i = 0; i < vmballoon_page_in_frames(page_size); i++) + __ClearPageOffline(page + i); +} + +/** * vmballoon_send_get_target() - Retrieve desired balloon size from the host. * * @b: pointer to the balloon. @@ -612,6 +642,7 @@ static int vmballoon_alloc_page_list(struct vmballoon *b, ctl->page_size); if (page) { + vmballoon_mark_page_offline(page, ctl->page_size); /* Success. Add the page to the list and continue. */ list_add(&page->lru, &ctl->pages); continue; @@ -850,6 +881,7 @@ static void vmballoon_release_page_list(struct list_head *page_list, list_for_each_entry_safe(page, tmp, page_list, lru) { list_del(&page->lru); + vmballoon_mark_page_online(page, page_size); __free_pages(page, vmballoon_page_order(page_size)); } |