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| author | Ingo Molnar <mingo@kernel.org> | 2017-11-06 09:49:28 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-11-06 09:49:28 +0100 |
| commit | 75ec4eb3dc84ee78533bd59bbb71992187bd86fd (patch) | |
| tree | b75afe1763e5a21bfe508301562c037fbae2b04d /include | |
| parent | 19c5787a5ff88a959e5854ab6ddef7f5777c5837 (diff) | |
| parent | 15670bfe19905b1dcbb63137f40d718b59d84479 (diff) | |
| download | lwn-75ec4eb3dc84ee78533bd59bbb71992187bd86fd.tar.gz lwn-75ec4eb3dc84ee78533bd59bbb71992187bd86fd.zip | |
Merge branch 'x86/mm' into x86/asm, to pick up pending changes
Concentrate x86 MM and asm related changes into a single super-topic,
in preparation for larger changes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mm.h | 2 | ||||
| -rw-r--r-- | include/linux/mmzone.h | 6 |
2 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 065d99deb847..b2c7045e9604 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2495,7 +2495,7 @@ void vmemmap_populate_print_last(void); void vmemmap_free(unsigned long start, unsigned long end); #endif void register_page_bootmem_memmap(unsigned long section_nr, struct page *map, - unsigned long size); + unsigned long nr_pages); enum mf_flags { MF_COUNT_INCREASED = 1 << 0, diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index c8f89417740b..e796edf1296f 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -1150,13 +1150,17 @@ struct mem_section { #define SECTION_ROOT_MASK (SECTIONS_PER_ROOT - 1) #ifdef CONFIG_SPARSEMEM_EXTREME -extern struct mem_section *mem_section[NR_SECTION_ROOTS]; +extern struct mem_section **mem_section; #else extern struct mem_section mem_section[NR_SECTION_ROOTS][SECTIONS_PER_ROOT]; #endif static inline struct mem_section *__nr_to_section(unsigned long nr) { +#ifdef CONFIG_SPARSEMEM_EXTREME + if (!mem_section) + return NULL; +#endif if (!mem_section[SECTION_NR_TO_ROOT(nr)]) return NULL; return &mem_section[SECTION_NR_TO_ROOT(nr)][nr & SECTION_ROOT_MASK]; |