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| author | David Hildenbrand <david@redhat.com> | 2019-07-18 15:57:50 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-18 17:08:06 -0700 |
| commit | ea8846411ad686ff626e00bb2c3821b3db2ab56a (patch) | |
| tree | 8a2b9366c597e450d4f0a23c24e53136ea86f1ed /include/linux/memory.h | |
| parent | fbcf73ce65827c3d8935f38b832a43153a0c78d1 (diff) | |
| download | lwn-ea8846411ad686ff626e00bb2c3821b3db2ab56a.tar.gz lwn-ea8846411ad686ff626e00bb2c3821b3db2ab56a.zip | |
mm/memory_hotplug: move and simplify walk_memory_blocks()
Let's move walk_memory_blocks() to the place where memory block logic
resides and simplify it. While at it, add a type for the callback
function.
Link: http://lkml.kernel.org/r/20190614100114.311-6-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
Cc: Andrew Banman <andrew.banman@hpe.com>
Cc: Mike Travis <mike.travis@hpe.com>
Cc: Oscar Salvador <osalvador@suse.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Wei Yang <richard.weiyang@gmail.com>
Cc: Arun KS <arunks@codeaurora.org>
Cc: Qian Cai <cai@lca.pw>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/memory.h')
| -rw-r--r-- | include/linux/memory.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/memory.h b/include/linux/memory.h index f26a5417ec5d..b3b388775a30 100644 --- a/include/linux/memory.h +++ b/include/linux/memory.h @@ -119,6 +119,9 @@ extern int memory_isolate_notify(unsigned long val, void *v); extern struct memory_block *find_memory_block_hinted(struct mem_section *, struct memory_block *); extern struct memory_block *find_memory_block(struct mem_section *); +typedef int (*walk_memory_blocks_func_t)(struct memory_block *, void *); +extern int walk_memory_blocks(unsigned long start, unsigned long size, + void *arg, walk_memory_blocks_func_t func); #define CONFIG_MEM_BLOCK_SIZE (PAGES_PER_SECTION<<PAGE_SHIFT) #endif /* CONFIG_MEMORY_HOTPLUG_SPARSE */ |