Messages in this thread Patch in this message | | | From | Johannes Weiner <> | Subject | [patch 7/9] mm: make global_dirtyable_memory() available to other mm code | Date | Tue, 6 Aug 2013 18:44:08 -0400 |
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Subsequent patches need a rough estimate of memory available for page cache.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> --- include/linux/writeback.h | 1 + mm/page-writeback.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 4e198ca..4c26df7 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -154,6 +154,7 @@ struct ctl_table; int dirty_writeback_centisecs_handler(struct ctl_table *, int, void __user *, size_t *, loff_t *); +unsigned long global_dirtyable_memory(void); void global_dirty_limits(unsigned long *pbackground, unsigned long *pdirty); unsigned long bdi_dirty_limit(struct backing_dev_info *bdi, unsigned long dirty); diff --git a/mm/page-writeback.c b/mm/page-writeback.c index d374b29..60376ad 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -231,7 +231,7 @@ static unsigned long highmem_dirtyable_memory(unsigned long total) * Returns the global number of pages potentially available for dirty * page cache. This is the base value for the global dirty limits. */ -static unsigned long global_dirtyable_memory(void) +unsigned long global_dirtyable_memory(void) { unsigned long x; -- 1.8.3.2
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