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-rw-r--r--tools/vm/page_owner_sort.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/vm/page_owner_sort.c b/tools/vm/page_owner_sort.c
index d3a8755c039c..85eb65ea16d3 100644
--- a/tools/vm/page_owner_sort.c
+++ b/tools/vm/page_owner_sort.c
@@ -4,8 +4,7 @@
*
* Example use:
* cat /sys/kernel/debug/page_owner > page_owner_full.txt
- * grep -v ^PFN page_owner_full.txt > page_owner.txt
- * ./page_owner_sort page_owner.txt sorted_page_owner.txt
+ * ./page_owner_sort page_owner_full.txt sorted_page_owner.txt
*
* See Documentation/vm/page_owner.rst
*/
@@ -38,6 +37,8 @@ int read_block(char *buf, int buf_size, FILE *fin)
while (buf_end - curr > 1 && fgets(curr, buf_end - curr, fin)) {
if (*curr == '\n') /* empty line */
return curr - buf;
+ if (!strncmp(curr, "PFN", 3))
+ continue;
curr += strlen(curr);
}