ipc: define the slab_memory_callback priority as a constant (0c40ba4f) · Commits · 戴 / test

This is a trivial patch that defines the priority of slab_memory_callback in the callback chain as a constant. This is to prepare for next patch in the series. Signed-off-by:

Nadia Derbey <Nadia.Derbey@bull.net> Cc: Yasunori Goto <y-goto@jp.fujitsu.com> Cc: Matt Helsley <matthltc@us.ibm.com> Cc: Mingming Cao <cmm@us.ibm.com> Cc: Pierre Peiffer <pierre.peiffer@bull.net> Signed-off-by:

Andrew Morton <akpm@linux-foundation.org> Signed-off-by:

Linus Torvalds <torvalds@linux-foundation.org>

include/linux/memory.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -53,6 +53,12 @@ struct memory_notify {
		struct notifier_block;
		struct mem_section;

		/*
		* Priorities for the hotplug memory callback routines (stored in decreasing
		* order in the callback chain)
		*/
		#define SLAB_CALLBACK_PRI 1

		#ifndef CONFIG_MEMORY_HOTPLUG_SPARSE
		static inline int memory_dev_init(void)
		{

mm/slub.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2978,7 +2978,7 @@ void __init kmem_cache_init(void)
		kmalloc_caches[0].refcount = -1;
		caches++;

		hotplug_memory_notifier(slab_memory_callback, 1);
		hotplug_memory_notifier(slab_memory_callback, SLAB_CALLBACK_PRI);
		#endif

		/* Able to allocate the per node structures */

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