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author | Thomas Gleixner <tglx@linutronix.de> | 2014-07-16 21:57:38 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2014-07-16 21:57:38 +0200 |
commit | afdb094380889222583df9ef803587f6b8a82c8d (patch) | |
tree | 4a03c516568e5c8b994a5739f3d34f4552c78898 /net/ceph/pagevec.c | |
parent | be11e6d86081aa6328eaa4fe6dd14ccf39a023c8 (diff) | |
parent | 1795cd9b3a91d4b5473c97f491d63892442212ab (diff) | |
download | lwn-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.c | 35 |
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. */ |