From 4b57ad939263935e4e3aec4d74a11dd02a3421e4 Mon Sep 17 00:00:00 2001 From: majianpeng Date: Tue, 26 Jun 2012 09:30:31 +0800 Subject: [PATCH] mm: Fix signal SIGFPE in slabinfo.c. In function slab_stats(), if total_free is equal zero, it will error. So fix it. Acked-by: Christoph Lameter Signed-off-by: majianpeng Signed-off-by: Pekka Enberg --- tools/vm/slabinfo.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/tools/vm/slabinfo.c b/tools/vm/slabinfo.c index 164cbcf61106..808d5a9d5dcf 100644 --- a/tools/vm/slabinfo.c +++ b/tools/vm/slabinfo.c @@ -437,34 +437,34 @@ static void slab_stats(struct slabinfo *s) printf("Fastpath %8lu %8lu %3lu %3lu\n", s->alloc_fastpath, s->free_fastpath, s->alloc_fastpath * 100 / total_alloc, - s->free_fastpath * 100 / total_free); + total_free ? s->free_fastpath * 100 / total_free : 0); printf("Slowpath %8lu %8lu %3lu %3lu\n", total_alloc - s->alloc_fastpath, s->free_slowpath, (total_alloc - s->alloc_fastpath) * 100 / total_alloc, - s->free_slowpath * 100 / total_free); + total_free ? s->free_slowpath * 100 / total_free : 0); printf("Page Alloc %8lu %8lu %3lu %3lu\n", s->alloc_slab, s->free_slab, s->alloc_slab * 100 / total_alloc, - s->free_slab * 100 / total_free); + total_free ? s->free_slab * 100 / total_free : 0); printf("Add partial %8lu %8lu %3lu %3lu\n", s->deactivate_to_head + s->deactivate_to_tail, s->free_add_partial, (s->deactivate_to_head + s->deactivate_to_tail) * 100 / total_alloc, - s->free_add_partial * 100 / total_free); + total_free ? s->free_add_partial * 100 / total_free : 0); printf("Remove partial %8lu %8lu %3lu %3lu\n", s->alloc_from_partial, s->free_remove_partial, s->alloc_from_partial * 100 / total_alloc, - s->free_remove_partial * 100 / total_free); + total_free ? s->free_remove_partial * 100 / total_free : 0); printf("Cpu partial list %8lu %8lu %3lu %3lu\n", s->cpu_partial_alloc, s->cpu_partial_free, s->cpu_partial_alloc * 100 / total_alloc, - s->cpu_partial_free * 100 / total_free); + total_free ? s->cpu_partial_free * 100 / total_free : 0); printf("RemoteObj/SlabFrozen %8lu %8lu %3lu %3lu\n", s->deactivate_remote_frees, s->free_frozen, s->deactivate_remote_frees * 100 / total_alloc, - s->free_frozen * 100 / total_free); + total_free ? s->free_frozen * 100 / total_free : 0); printf("Total %8lu %8lu\n\n", total_alloc, total_free); -- 2.39.5