Find out how many pages are used for the bitmap for a given zone.
Signed-off-by: Nigel Cunningham <[email protected]>
kernel/power/pageflags.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/kernel/power/pageflags.c b/kernel/power/pageflags.c
index 3781fc8..ec028d3 100644
--- a/kernel/power/pageflags.c
+++ b/kernel/power/pageflags.c
@@ -37,3 +37,9 @@ static int num_zones(void)
return result;
}
+static int pages_for_zone(struct zone *zone)
+{
+ return (zone->spanned_pages + (PAGE_SIZE << 3) - 1) /
+ (PAGE_SIZE << 3);
+}
+
--
Nigel Cunningham nigel at suspend2 dot net
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