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authorWilliam Kucharski <william.kucharski@oracle.com>2019-09-22 15:43:15 +0300
committerMatthew Wilcox (Oracle) <willy@infradead.org>2022-03-21 20:01:36 +0300
commit1854bc6e2420472676c5c90d3d6b15f6cd640e40 (patch)
treeb87ed751246f6920dda0921dcf249f9446b0bcfa /mm/huge_memory.c
parent793917d997df2e432f3e9ac126e4482d68256d01 (diff)
downloadlinux-1854bc6e2420472676c5c90d3d6b15f6cd640e40.tar.xz
mm/readahead: Align file mappings for non-DAX
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>
Diffstat (limited to 'mm/huge_memory.c')
-rw-r--r--mm/huge_memory.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 38e233a7d977..f85b04b31bd1 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);