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author | Maxime Ripard <maxime@cerno.tech> | 2020-08-18 15:14:25 +0300 |
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committer | Maxime Ripard <maxime@cerno.tech> | 2020-08-18 15:14:25 +0300 |
commit | d85ddd1318e66c0c2665dbfcbc21a8b66c9152aa (patch) | |
tree | e49e401abd2468b398d4bc84c7e05c2c2c3b0966 /mm/sparse.c | |
parent | 652bcaec7da0f06f00be578c200e1c57099449d2 (diff) | |
parent | 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5 (diff) | |
download | linux-d85ddd1318e66c0c2665dbfcbc21a8b66c9152aa.tar.xz |
Merge v5.9-rc1 into drm-misc-next
Sam needs 5.9-rc1 to have dev_err_probe in to merge some patches.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'mm/sparse.c')
-rw-r--r-- | mm/sparse.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/mm/sparse.c b/mm/sparse.c index b2b9a3e34696..fcc3d176f1ea 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -16,7 +16,6 @@ #include "internal.h" #include <asm/dma.h> -#include <asm/pgalloc.h> /* * Permanent SPARSEMEM data: @@ -250,7 +249,7 @@ void __init subsection_map_init(unsigned long pfn, unsigned long nr_pages) #endif /* Record a memory area against a node. */ -void __init memory_present(int nid, unsigned long start, unsigned long end) +static void __init memory_present(int nid, unsigned long start, unsigned long end) { unsigned long pfn; @@ -286,11 +285,11 @@ void __init memory_present(int nid, unsigned long start, unsigned long end) } /* - * Mark all memblocks as present using memory_present(). This is a - * convenience function that is useful for a number of arches - * to mark all of the systems memory as present during initialization. + * Mark all memblocks as present using memory_present(). + * This is a convenience function that is useful to mark all of the systems + * memory as present during initialization. */ -void __init memblocks_present(void) +static void __init memblocks_present(void) { struct memblock_region *reg; @@ -575,9 +574,13 @@ failed: */ void __init sparse_init(void) { - unsigned long pnum_begin = first_present_section_nr(); - int nid_begin = sparse_early_nid(__nr_to_section(pnum_begin)); - unsigned long pnum_end, map_count = 1; + unsigned long pnum_end, pnum_begin, map_count = 1; + int nid_begin; + + memblocks_present(); + + pnum_begin = first_present_section_nr(); + nid_begin = sparse_early_nid(__nr_to_section(pnum_begin)); /* Setup pageblock_order for HUGETLB_PAGE_SIZE_VARIABLE */ set_pageblock_order(); @@ -825,10 +828,14 @@ static void section_deactivate(unsigned long pfn, unsigned long nr_pages, ms->section_mem_map &= ~SECTION_HAS_MEM_MAP; } - if (section_is_early && memmap) - free_map_bootmem(memmap); - else + /* + * The memmap of early sections is always fully populated. See + * section_activate() and pfn_valid() . + */ + if (!section_is_early) depopulate_section_memmap(pfn, nr_pages, altmap); + else if (memmap) + free_map_bootmem(memmap); if (empty) ms->section_mem_map = (unsigned long)NULL; |