Messages in this thread Patch in this message | | | From | "Matthew Wilcox (Oracle)" <> | Subject | [PATCH 09/12] mm/readahead: Align file mappings for non-DAX | Date | Sun, 16 Jan 2022 12:18:19 +0000 |
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From: William Kucharski <william.kucharski@oracle.com>
When we have the opportunity to use PMDs to map a file, we want to follow the same rules as DAX.
Signed-off-by: William Kucharski <william.kucharski@oracle.com> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- mm/huge_memory.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index f58524394dc1..28c29a0d854b 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -582,13 +582,10 @@ unsigned long thp_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long ret; loff_t off = (loff_t)pgoff << PAGE_SHIFT; - if (!IS_DAX(filp->f_mapping->host) || !IS_ENABLED(CONFIG_FS_DAX_PMD)) - goto out; - ret = __thp_get_unmapped_area(filp, addr, len, off, flags, PMD_SIZE); if (ret) return ret; -out: + return current->mm->get_unmapped_area(filp, addr, len, pgoff, flags); } EXPORT_SYMBOL_GPL(thp_get_unmapped_area); -- 2.34.1
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