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-rw-r--r--mm/cma.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/cma.c b/mm/cma.c
index 47203fa..3a7a67b 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -23,6 +23,7 @@
# define DEBUG
#endif
#endif
+#define CREATE_TRACE_POINTS
#include <linux/memblock.h>
#include <linux/err.h>
@@ -34,6 +35,7 @@
#include <linux/cma.h>
#include <linux/highmem.h>
#include <linux/io.h>
+#include <trace/events/cma.h>
#include "cma.h"
@@ -414,6 +416,8 @@ struct page *cma_alloc(struct cma *cma, unsigned int count, unsigned int align)
start = bitmap_no + mask + 1;
}
+ trace_cma_alloc(page ? pfn : -1UL, page, count, align);
+
pr_debug("%s(): returned %p\n", __func__, page);
return page;
}
@@ -446,6 +450,7 @@ bool cma_release(struct cma *cma, const struct page *pages, unsigned int count)
free_contig_range(pfn, count);
cma_clear_bitmap(cma, pfn, count);
+ trace_cma_release(pfn, pages, count);
return true;
}
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