From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-x22b.google.com (mail-pd0-x22b.google.com [IPv6:2607:f8b0:400e:c02::22b]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 568731A01BD for ; Wed, 23 Jul 2014 04:10:29 +1000 (EST) Received: by mail-pd0-f171.google.com with SMTP id z10so28010pdj.16 for ; Tue, 22 Jul 2014 11:10:27 -0700 (PDT) Date: Tue, 22 Jul 2014 23:40:19 +0530 From: Himangi Saraogi To: Benjamin Herrenschmidt , Paul Mackerras , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH] powerpc/perf/hv-24x7: Use kmem_cache_free Message-ID: <20140722181019.GA3222@himangi-Dell> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Julia Lawall List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Free memory allocated using kmem_cache_zalloc using kmem_cache_free rather than kfree. The Coccinelle semantic patch that makes this change is as follows: // @@ expression x,E,c; @@ x = \(kmem_cache_alloc\|kmem_cache_zalloc\|kmem_cache_alloc_node\)(c,...) ... when != x = E when != &x ?-kfree(x) +kmem_cache_free(c,x) // Signed-off-by: Himangi Saraogi Acked-by: Julia Lawall --- arch/powerpc/perf/hv-24x7.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index 66d0f17..70d4f74 100644 --- a/arch/powerpc/perf/hv-24x7.c +++ b/arch/powerpc/perf/hv-24x7.c @@ -223,7 +223,7 @@ e_free: pr_err("h_get_24x7_catalog_page(ver=%lld, page=%lld) failed:" " rc=%ld\n", catalog_version_num, page_offset, hret); - kfree(page); + kmem_cache_free(hv_page_cache, page); pr_devel("catalog_read: offset=%lld(%lld) count=%zu(%zu) catalog_len=%zu(%zu) => %zd\n", offset, page_offset, count, page_count, catalog_len, -- 1.9.1