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| author | David S. Miller <davem@davemloft.net> | 2017-12-17 06:11:55 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-12-17 06:11:55 +0300 |
| commit | c30abd5e40dd863f88e26be09b6ce949145a630a (patch) | |
| tree | 5b25362084308502a336d8da26b8dc7430d7c812 /mm/page_alloc.c | |
| parent | 28dc4c8f4557d82e9be020e85e2362239270e704 (diff) | |
| parent | f3b5ad89de16f5d42e8ad36fbdf85f705c1ae051 (diff) | |
| download | linux-c30abd5e40dd863f88e26be09b6ce949145a630a.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Three sets of overlapping changes, two in the packet scheduler
and one in the meson-gxl PHY driver.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 73f5d4556b3d..7e5e775e97f4 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2684,6 +2684,7 @@ void free_unref_page_list(struct list_head *list) { struct page *page, *next; unsigned long flags, pfn; + int batch_count = 0; /* Prepare pages for freeing */ list_for_each_entry_safe(page, next, list, lru) { @@ -2700,6 +2701,16 @@ void free_unref_page_list(struct list_head *list) set_page_private(page, 0); trace_mm_page_free_batched(page); free_unref_page_commit(page, pfn); + + /* + * Guard against excessive IRQ disabled times when we get + * a large list of pages to free. + */ + if (++batch_count == SWAP_CLUSTER_MAX) { + local_irq_restore(flags); + batch_count = 0; + local_irq_save(flags); + } } local_irq_restore(flags); } |