This is a code bug. In initialize_2nd_bitmap_cyclic pfn_memhole is calculated, however it's not initialized before that. If an available pfn_memhole is wanted after get_num_dumpable_cyclic invocation, initializing pfn_memhole in get_num_dumpable_cyclic is necessary.
Signed-off-by: Baoquan He <[email protected]> --- makedumpfile.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/makedumpfile.c b/makedumpfile.c index b4b6eca..a01703e 100644 --- a/makedumpfile.c +++ b/makedumpfile.c @@ -5651,6 +5651,8 @@ get_num_dumpable_cyclic(void) mdf_pfn_t pfn, num_dumpable=0; struct cycle cycle = {0}; + pfn_memhole = info->max_mapnr; + for_each_cycle(0, info->max_mapnr, &cycle) { if (!exclude_unnecessary_pages_cyclic(&cycle)) -- 1.8.5.3 _______________________________________________ kexec mailing list [email protected] http://lists.infradead.org/mailman/listinfo/kexec
