diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-21 18:46:08 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-21 18:46:08 +0300 |
commit | cd6a22310ec2a70092e136d0cd65bb77c1502521 (patch) | |
tree | c01fa788b27b240c7b426d7f329d92bd58c7b8f5 /mm/sparse.c | |
parent | 1e12a521d6917004f8b95a3b5864b92edc2694c8 (diff) | |
parent | 177c459b08a34dcf004aa9a4c1f1d8be682ff3af (diff) | |
download | linux-cd6a22310ec2a70092e136d0cd65bb77c1502521.tar.xz |
Merge USB 4.20-rc8 mergepoint into usb-next
We need the USB changes in here for additional patches to be able to
apply cleanly.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/sparse.c')
-rw-r--r-- | mm/sparse.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/mm/sparse.c b/mm/sparse.c index 33307fc05c4d..3abc8cc50201 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -240,6 +240,22 @@ void __init memory_present(int nid, unsigned long start, unsigned long end) } /* + * Mark all memblocks as present using memory_present(). This is a + * convienence function that is useful for a number of arches + * to mark all of the systems memory as present during initialization. + */ +void __init memblocks_present(void) +{ + struct memblock_region *reg; + + for_each_memblock(memory, reg) { + memory_present(memblock_get_region_node(reg), + memblock_region_memory_base_pfn(reg), + memblock_region_memory_end_pfn(reg)); + } +} + +/* * Subtle, we encode the real pfn into the mem_map such that * the identity pfn - section_mem_map will return the actual * physical page frame number. |