Subject: + fork-collapse-copy_flags-into-copy_process.patch added to -mm tree
To: rientjes@xxxxxxxxxx,cl@xxxxxxxxxxxxxxxxxxxx,cl@xxxxxxxxx,hannes@xxxxxxxxxxx,kamezawa.hiroyu@xxxxxxxxxxxxxx,mgorman@xxxxxxx,mhocko@xxxxxxx,oleg@xxxxxxxxxx,penberg@xxxxxxxxxx,riel@xxxxxxxxxx,thockin@xxxxxxxxxx,tj@xxxxxxxxxx,wujianguo@xxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Wed, 05 Mar 2014 13:21:33 -0800
The patch titled
Subject: fork: collapse copy_flags into copy_process
has been added to the -mm tree. Its filename is
fork-collapse-copy_flags-into-copy_process.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/fork-collapse-copy_flags-into-copy_process.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/fork-collapse-copy_flags-into-copy_process.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: David Rientjes <rientjes@xxxxxxxxxx>
Subject: fork: collapse copy_flags into copy_process
copy_flags() does not use the clone_flags formal and can be collapsed
into copy_process() for cleaner code.
Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Jianguo Wu <wujianguo@xxxxxxxxxx>
Cc: Tim Hockin <thockin@xxxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/fork.c | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
diff -puN kernel/fork.c~fork-collapse-copy_flags-into-copy_process kernel/fork.c
--- a/kernel/fork.c~fork-collapse-copy_flags-into-copy_process
+++ a/kernel/fork.c
@@ -1077,15 +1077,6 @@ static int copy_signal(unsigned long clo
return 0;
}
-static void copy_flags(unsigned long clone_flags, struct task_struct *p)
-{
- unsigned long new_flags = p->flags;
-
- new_flags &= ~(PF_SUPERPRIV | PF_WQ_WORKER);
- new_flags |= PF_FORKNOEXEC;
- p->flags = new_flags;
-}
-
SYSCALL_DEFINE1(set_tid_address, int __user *, tidptr)
{
current->clear_child_tid = tidptr;
@@ -1235,7 +1226,8 @@ static struct task_struct *copy_process(
goto bad_fork_cleanup_count;
delayacct_tsk_init(p); /* Must remain after dup_task_struct() */
- copy_flags(clone_flags, p);
+ p->flags &= ~(PF_SUPERPRIV | PF_WQ_WORKER);
+ p->flags |= PF_FORKNOEXEC;
INIT_LIST_HEAD(&p->children);
INIT_LIST_HEAD(&p->sibling);
rcu_copy_process(p);
_
Patches currently in -mm which might be from rientjes@xxxxxxxxxx are
mm-close-pagetail-race.patch
mm-page_alloc-make-first_page-visible-before-pagetail.patch
kthread-ensure-locality-of-task_struct-allocations.patch
arch-x86-mm-kmemcheck-kmemcheckc-use-kstrtoint-instead-of-sscanf.patch
mm-slab-slub-use-page-list-consistently-instead-of-page-lru.patch
mm-compaction-ignore-pageblock-skip-when-manually-invoking-compaction.patch
mm-vmscan-shrink_slab-rename-max_pass-freeable.patch
mm-hugetlb-mark-some-bootstrap-functions-as-__init.patch
mm-compaction-avoid-isolating-pinned-pages.patch
mm-compactionc-mark-function-as-static.patch
mm-memoryc-mark-functions-as-static.patch
mm-mmapc-mark-function-as-static.patch
mm-process_vm_accessc-mark-function-as-static.patch
mm-process_vm_accessc-mark-function-as-static-fix.patch
mm-page_cgroupc-mark-functions-as-static.patch
mm-nobootmemc-mark-function-as-static.patch
include-linux-mmh-remove-ifdef-condition.patch
mm-readaheadc-fix-readahead-failure-for-memoryless-numa-nodes-and-limit-readahead-pages.patch
mmnuma-reorganize-change_pmd_range.patch
mmnuma-reorganize-change_pmd_range-fix.patch
move-mmu-notifier-call-from-change_protection-to-change_pmd_range.patch
mm-exclude-memory-less-nodes-from-zone_reclaim.patch
memcg-slab-never-try-to-merge-memcg-caches.patch
memcg-slab-cleanup-memcg-cache-creation.patch
memcg-slab-separate-memcg-vs-root-cache-creation-paths.patch
memcg-slab-unregister-cache-from-memcg-before-starting-to-destroy-it.patch
memcg-slab-do-not-destroy-children-caches-if-parent-has-aliases.patch
slub-adjust-memcg-caches-when-creating-cache-alias.patch
slub-rework-sysfs-layout-for-memcg-caches.patch
mm-revert-thp-make-madv_hugepage-check-for-mm-def_flags.patch
mm-revert-thp-make-madv_hugepage-check-for-mm-def_flags-ignore-madv_hugepage-on-s390-to-prevent-sigsegv-in-qemu.patch
mm-thp-add-vm_init_def_mask-and-prctl_thp_disable.patch
exec-kill-the-unnecessary-mm-def_flags-setting-in-load_elf_binary.patch
fork-collapse-copy_flags-into-copy_process.patch
mm-mempolicy-rename-slab_node-for-clarity.patch
mm-mempolicy-remove-per-process-flag.patch
res_counter-remove-interface-for-locked-charging-and-uncharging.patch
kernel-resourcec-make-reallocate_resource-static.patch
mm-utilc-add-kstrimdup.patch
fault-injection-set-bounds-on-what-proc-self-make-it-fail-accepts.patch
fault-injection-set-bounds-on-what-proc-self-make-it-fail-accepts-fix.patch
linux-next.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
