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authorMatthew Wilcox <willy@infradead.org>2018-10-27 00:04:10 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2018-10-27 01:25:19 +0200
commit5d7476374564645b1a2d299e242ad7b17b1104ee (patch)
tree3684fd99476b27a25884bc599cf919d1dad058cb /mm/memory.c
parentcramfs: convert to use vmf_insert_mixed (diff)
downloadlinux-5d7476374564645b1a2d299e242ad7b17b1104ee.tar.xz
linux-5d7476374564645b1a2d299e242ad7b17b1104ee.zip
mm: remove vm_insert_mixed()
All callers are now converted to vmf_insert_mixed() so convert vmf_insert_mixed() from being a compatibility wrapper into the real function. Link: http://lkml.kernel.org/r/20180828145728.11873-3-willy@infradead.org Signed-off-by: Matthew Wilcox <willy@infradead.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Nicolas Pitre <nicolas.pitre@linaro.org> Cc: Souptick Joarder <jrdr.linux@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory.c')
-rw-r--r--mm/memory.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 21a5e6e4758b..200aaf291e98 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1693,13 +1693,19 @@ static int __vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr,
return insert_pfn(vma, addr, pfn, pgprot, mkwrite);
}
-int vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr,
- pfn_t pfn)
+vm_fault_t vmf_insert_mixed(struct vm_area_struct *vma, unsigned long addr,
+ pfn_t pfn)
{
- return __vm_insert_mixed(vma, addr, pfn, false);
+ int err = __vm_insert_mixed(vma, addr, pfn, false);
+ if (err == -ENOMEM)
+ return VM_FAULT_OOM;
+ if (err < 0 && err != -EBUSY)
+ return VM_FAULT_SIGBUS;
+
+ return VM_FAULT_NOPAGE;
}
-EXPORT_SYMBOL(vm_insert_mixed);
+EXPORT_SYMBOL(vmf_insert_mixed);
/*
* If the insertion of PTE failed because someone else already added a