The patch titled
Subject: ipc/util.c: use register_hotmemory_notifier()
has been added to the -mm tree. Its filename is
ipc-utilc-use-register_hotmemory_notifier.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: ipc/util.c: use register_hotmemory_notifier()
Squishes a statement-with-no-effect warning, removes some ifdefs and
shrinks .text by one byte!
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
ipc/util.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff -puN ipc/util.c~ipc-utilc-use-register_hotmemory_notifier ipc/util.c
--- a/ipc/util.c~ipc-utilc-use-register_hotmemory_notifier
+++ a/ipc/util.c
@@ -23,6 +23,7 @@
#include <linux/msg.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
+#include <linux/notifier.h>
#include <linux/capability.h>
#include <linux/highuid.h>
#include <linux/security.h>
@@ -47,19 +48,16 @@ struct ipc_proc_iface {
int (*show)(struct seq_file *, void *);
};
-#ifdef CONFIG_MEMORY_HOTPLUG
-
static void ipc_memory_notifier(struct work_struct *work)
{
ipcns_notify(IPCNS_MEMCHANGED);
}
-static DECLARE_WORK(ipc_memory_wq, ipc_memory_notifier);
-
-
static int ipc_memory_callback(struct notifier_block *self,
unsigned long action, void *arg)
{
+ static DECLARE_WORK(ipc_memory_wq, ipc_memory_notifier);
+
switch (action) {
case MEM_ONLINE: /* memory successfully brought online */
case MEM_OFFLINE: /* or offline: it's time to recompute msgmni */
@@ -85,7 +83,10 @@ static int ipc_memory_callback(struct no
return NOTIFY_OK;
}
-#endif /* CONFIG_MEMORY_HOTPLUG */
+static struct notifier_block ipc_memory_nb = {
+ .notifier_call = ipc_memory_callback,
+ .priority = IPC_CALLBACK_PRI,
+};
/**
* ipc_init - initialise IPC subsystem
@@ -102,7 +103,7 @@ static int __init ipc_init(void)
sem_init();
msg_init();
shm_init();
- hotplug_memory_notifier(ipc_memory_callback, IPC_CALLBACK_PRI);
+ register_hotmemory_notifier(&ipc_memory_nb);
register_ipcns_notifier(&init_ipc_ns);
return 0;
}
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
linux-next.patch
arch-alpha-kernel-systblss-remove-debug-check.patch
i-need-old-gcc.patch
revert-ipc-dont-allocate-a-copy-larger-than-max.patch
mips-define-kvm_user_mem_slots.patch
auditsc-use-kzalloc-instead-of-kmallocmemset-fix.patch
drivers-video-implement-a-simple-framebuffer-driver-fix.patch
timer_list-convert-timer-list-to-be-a-proper-seq_file.patch
posix-timers-correctly-get-dying-task-time-sample-in-posix_cpu_timer_schedule.patch
mm.patch
mm-shmemc-remove-an-ifdef.patch
xen-tmem-enable-xen-tmem-shim-to-be-built-loaded-as-a-module-fix.patch
memcg-relax-memcg-iter-caching-checkpatch-fixes.patch
mm-make-snapshotting-pages-for-stable-writes-a-per-bio-operation.patch
kexec-vmalloc-export-additional-vmalloc-layer-information-fix.patch
mm-hugetlb-include-hugepages-in-meminfo-checkpatch-fixes.patch
mm-speedup-in-__early_pfn_to_nid.patch
mm-speedup-in-__early_pfn_to_nid-fix.patch
include-linux-memoryh-implement-register_hotmemory_notifier.patch
ipc-utilc-use-register_hotmemory_notifier.patch
mm-limit-growth-of-3%-hardcoded-other-user-reserve.patch
mm-replace-hardcoded-3%-with-admin_reserve_pages-knob.patch
mm-reinititalise-user-and-admin-reserves-if-memory-is-added-or-removed-fix.patch
include-linux-mmzoneh-cleanups.patch
include-linux-mmzoneh-cleanups-fix.patch
drop_caches-add-some-documentation-and-info-messsge.patch
memcg-debugging-facility-to-access-dangling-memcgs-fix.patch
genalloc-add-devres-support-allow-to-find-a-managed-pool-by-device-fix.patch
misc-generic-on-chip-sram-allocation-driver-fix.patch
kernel-smpc-cleanups.patch
early_printk-consolidate-random-copies-of-identical-code-v3-fix.patch
include-linux-printkh-include-stdargh.patch
get_maintainer-use-filename-only-regex-match-for-tegra-fix.patch
argv_split-teach-it-to-handle-mutable-strings-fix.patch
kernel-timerc-ove-some-non-timer-related-syscalls-to-kernel-sysc-checkpatch-fixes.patch
epoll-trim-epitem-by-one-cache-line-on-x86_64-fix.patch
binfmt_elfc-use-get_random_int-to-fix-entropy-depleting.patch
init-mainc-convert-to-pr_foo.patch
rtc-ds1307-long-block-operations-bugfix.patch
hfsplus-fix-warnings-in-fs-hfsplus-bfindc-in-function-hfs_find_1st_rec_by_cnid-fix.patch
usermodehelper-export-_exec-and-_setup-functions-fix.patch
kexec-use-min_t-to-simplify-logic-fix.patch
ipc-introduce-obtaining-a-lockless-ipc-object-fix.patch
ipcsem-open-code-and-rename-sem_lock-fix.patch
kernel-pidc-improve-flow-of-a-loop-inside-alloc_pidmap-fix.patch
pid_namespacec-h-simplify-defines-fix.patch
drivers-net-rename-random32-to-prandom_u32-fix.patch
gadget-remove-only-user-of-aio-retry-checkpatch-fixes.patch
aio-remove-retry-based-aio-checkpatch-fixes.patch
aio-add-kiocb_cancel.patch
aio-make-aio_put_req-lockless-checkpatch-fixes.patch
aio-refcounting-cleanup-checkpatch-fixes.patch
wait-add-wait_event_hrtimeout.patch
aio-make-aio_read_evt-more-efficient-convert-to-hrtimers-checkpatch-fixes.patch
aio-use-cancellation-list-lazily.patch
aio-give-shared-kioctx-fields-their-own-cachelines.patch
generic-dynamic-per-cpu-refcounting.patch
generic-dynamic-per-cpu-refcounting-checkpatch-fixes.patch
aio-dont-include-aioh-in-schedh.patch
aio-dont-include-aioh-in-schedh-fix.patch
aio-kill-ki_retry.patch
aio-kill-ki_retry-fix.patch
aio-kill-ki_retry-checkpatch-fixes.patch
block-prep-work-for-batch-completion-checkpatch-fixes.patch
block-prep-work-for-batch-completion-fix-2.patch
block-prep-work-for-batch-completion-fix-3.patch
block-prep-work-for-batch-completion-fix-3-fix.patch
block-aio-batch-completion-for-bios-kiocbs.patch
block-aio-batch-completion-for-bios-kiocbs-checkpatch-fixes.patch
block-aio-batch-completion-for-bios-kiocbs-fix.patch
lib-add-lz4-compressor-module-fix.patch
crypto-add-lz4-cryptographic-api-fix.patch
debugging-keep-track-of-page-owners-fix-2-fix.patch
debugging-keep-track-of-page-owners-fix-2-fix-fix-fix.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
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