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| author | Thomas Gleixner <tglx@linutronix.de> | 2019-02-14 22:26:50 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-02-14 22:26:50 +0100 |
| commit | d869f86645fc07dc83b89b68f1a22d91ebe29439 (patch) | |
| tree | a3c2c1167bb34c8d0367d77e1a5734fc842d9f30 /include/linux/memory_hotplug.h | |
| parent | 030fc443aef663df71cd834331fd8f1ec10c30c0 (diff) | |
| parent | 74e96711e3379fc66630f2a1d184947f80cf2c48 (diff) | |
| download | cachepc-linux-d869f86645fc07dc83b89b68f1a22d91ebe29439.tar.gz cachepc-linux-d869f86645fc07dc83b89b68f1a22d91ebe29439.zip | |
Merge branch 'linus' into irq/core
Pick up upstream changes to avoid conflicts for pending patches.
Diffstat (limited to 'include/linux/memory_hotplug.h')
| -rw-r--r-- | include/linux/memory_hotplug.h | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index 07da5c6c5ba0..368267c1b71b 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -21,14 +21,16 @@ struct vmem_altmap; * walkers which rely on the fully initialized page->flags and others * should use this rather than pfn_valid && pfn_to_page */ -#define pfn_to_online_page(pfn) \ -({ \ - struct page *___page = NULL; \ - unsigned long ___nr = pfn_to_section_nr(pfn); \ - \ - if (___nr < NR_MEM_SECTIONS && online_section_nr(___nr))\ - ___page = pfn_to_page(pfn); \ - ___page; \ +#define pfn_to_online_page(pfn) \ +({ \ + struct page *___page = NULL; \ + unsigned long ___pfn = pfn; \ + unsigned long ___nr = pfn_to_section_nr(___pfn); \ + \ + if (___nr < NR_MEM_SECTIONS && online_section_nr(___nr) && \ + pfn_valid_within(___pfn)) \ + ___page = pfn_to_page(___pfn); \ + ___page; \ }) /* |