Subject: + include-linux-mempolicyh-add-build_bug-to-mpol_to_str-stub.patch added to -mm tree
To: akpm@xxxxxxxxxxxxxxxxxxxx,hannes@xxxxxxxxxxx,kosaki.motohiro@xxxxxxxxxxxxxx,mhocko@xxxxxxx,rientjes@xxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 25 Nov 2013 16:25:36 -0800
The patch titled
Subject: include/linux/mempolicy.h: add BUILD_BUG to mpol_to_str() stub
has been added to the -mm tree. Its filename is
include-linux-mempolicyh-add-build_bug-to-mpol_to_str-stub.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/include-linux-mempolicyh-add-build_bug-to-mpol_to_str-stub.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/include-linux-mempolicyh-add-build_bug-to-mpol_to_str-stub.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: include/linux/mempolicy.h: add BUILD_BUG to mpol_to_str() stub
mpol_to_str() shouldn't be called if CONFIG_NUMA=n. If it *is* called,
it's seruiously buggy - it leaves the output string unterminated.
So break the build if this situation occurs.
Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mempolicy.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN include/linux/mempolicy.h~include-linux-mempolicyh-add-build_bug-to-mpol_to_str-stub include/linux/mempolicy.h
--- a/include/linux/mempolicy.h~include-linux-mempolicyh-add-build_bug-to-mpol_to_str-stub
+++ a/include/linux/mempolicy.h
@@ -5,7 +5,7 @@
#ifndef _LINUX_MEMPOLICY_H
#define _LINUX_MEMPOLICY_H 1
-
+#include <linux/bug.h>
#include <linux/mmzone.h>
#include <linux/slab.h>
#include <linux/rbtree.h>
@@ -309,6 +309,7 @@ static inline int mpol_parse_str(char *s
static inline void mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol)
{
+ BUILD_BUG();
}
static inline int mpol_misplaced(struct page *page, struct vm_area_struct *vma,
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
origin.patch
arch-alpha-kernel-systblss-remove-debug-check.patch
i-need-old-gcc.patch
procfs-also-fix-proc_reg_get_unmapped_area-for-mmu-case-fix.patch
kernel-time-tick-commonc-document-tick_do_timer_cpu.patch
input-route-kbd-leds-through-the-generic-leds-layer-fix.patch
drivers-block-ccissc-cciss_init_one-use-proper-errnos.patch
block-blk-mq-cpuc-use-hotcpu_notifier.patch
mtd-cmdlinepart-use-cmdline-partition-parser-lib-fix-fix.patch
posix_acl-uninlining.patch
mm.patch
mm-hugetlbc-simplify-pageheadhuge-and-pagehuge.patch
mm-swapc-reorganize-put_compound_page.patch
mm-get-rid-of-unnecessary-pageblock-scanning-in-setup_zone_migrate_reserve-fix.patch
mm-memory-failure-fix-the-typo-in-me_pagecache_dirty-fix.patch
include-linux-mempolicyh-add-build_bug-to-mpol_to_str-stub.patch
arch-um-kernel-sysrqc-rename-print_stack_trace.patch
lib-parserc-put-export_symbols-in-the-conventional-place.patch
kernel-paramsc-improve-standard-definitions-checkpatch-fixes.patch
kmod-run-usermodehelpers-only-on-cpus-allowed-for-kthreadd-v2-fix.patch
kmod-run-usermodehelpers-only-on-cpus-allowed-for-kthreadd-v2-checkpatch-fixes.patch
linux-next.patch
debugging-keep-track-of-page-owners.patch
journal_add_journal_head-debug.patch
kernel-forkc-export-kernel_thread-to-modules.patch
mutex-subsystem-synchro-test-module.patch
slab-leaks3-default-y.patch
put_bh-debug.patch
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