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authorThomas Gleixner <tglx@linutronix.de>2014-07-16 21:57:38 +0200
committerThomas Gleixner <tglx@linutronix.de>2014-07-16 21:57:38 +0200
commitafdb094380889222583df9ef803587f6b8a82c8d (patch)
tree4a03c516568e5c8b994a5739f3d34f4552c78898 /net/ceph/pagevec.c
parentbe11e6d86081aa6328eaa4fe6dd14ccf39a023c8 (diff)
parent1795cd9b3a91d4b5473c97f491d63892442212ab (diff)
downloadlwn-afdb094380889222583df9ef803587f6b8a82c8d.tar.gz
lwn-afdb094380889222583df9ef803587f6b8a82c8d.zip
Merge tag 'v3.16-rc5' into timers/core
Reason: Bring in upstream modifications, so the pending changes which depend on them can be queued.
Diffstat (limited to 'net/ceph/pagevec.c')
-rw-r--r--net/ceph/pagevec.c35
1 files changed, 4 insertions, 31 deletions
diff --git a/net/ceph/pagevec.c b/net/ceph/pagevec.c
index 815a2249cfa9..555013034f7a 100644
--- a/net/ceph/pagevec.c
+++ b/net/ceph/pagevec.c
@@ -53,7 +53,10 @@ void ceph_put_page_vector(struct page **pages, int num_pages, bool dirty)
set_page_dirty_lock(pages[i]);
put_page(pages[i]);
}
- kfree(pages);
+ if (is_vmalloc_addr(pages))
+ vfree(pages);
+ else
+ kfree(pages);
}
EXPORT_SYMBOL(ceph_put_page_vector);
@@ -165,36 +168,6 @@ void ceph_copy_from_page_vector(struct page **pages,
EXPORT_SYMBOL(ceph_copy_from_page_vector);
/*
- * copy user data from a page vector into a user pointer
- */
-int ceph_copy_page_vector_to_user(struct page **pages,
- void __user *data,
- loff_t off, size_t len)
-{
- int i = 0;
- int po = off & ~PAGE_CACHE_MASK;
- int left = len;
- int l, bad;
-
- while (left > 0) {
- l = min_t(int, left, PAGE_CACHE_SIZE-po);
- bad = copy_to_user(data, page_address(pages[i]) + po, l);
- if (bad == l)
- return -EFAULT;
- data += l - bad;
- left -= l - bad;
- if (po) {
- po += l - bad;
- if (po == PAGE_CACHE_SIZE)
- po = 0;
- }
- i++;
- }
- return len;
-}
-EXPORT_SYMBOL(ceph_copy_page_vector_to_user);
-
-/*
* Zero an extent within a page vector. Offset is relative to the
* start of the first page.
*/