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mm: make page_mapped_in_vma conditional on CONFIG_MEMORY_FAILURE

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This function is only currently used by the memory-failure code, so we can
omit it if we're not compiling in the memory-failure code.

Link: https://lkml.kernel.org/r/20240412193510.2356957-5-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Suggested-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Jane Chu <jane.chu@oracle.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Acked-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2024-04-12 20:35:01 +01:00 committed by Andrew Morton
parent 37bc2ff506
commit b87f978dc7
1 changed files with 2 additions and 0 deletions
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2
mm/page_vma_mapped.c
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@ -314,6 +314,7 @@ next_pte:
return false;
}
#ifdef CONFIG_MEMORY_FAILURE
/**
* page_mapped_in_vma - check whether a page is really mapped in a VMA
* @page: the page to test
@ -344,3 +345,4 @@ unsigned long page_mapped_in_vma(struct page *page, struct vm_area_struct *vma)
out:
return pvmw.address;
}
#endif