Messages in this thread Patch in this message | | | Date | Tue, 20 Sep 2011 13:09:56 -0700 | From | Greg KH <> | Subject | [patch 1/1] staging: zcache: fix cleancache crash |
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From: Seth Jennings <sjenning@linux.vnet.ibm.com>
After commit, c5f5c4db, cleancache crashes on the first successful get. This was caused by a remaining virt_to_page() call in zcache_pampd_get_data_and_free() that only gets run in the cleancache path.
The patch converts the virt_to_page() to struct page casting like was done for other instances in c5f5c4db.
Signed-off-by: Seth Jennings <sjenning@linux.vnet.ibm.com> Tested-By: Valdis Kletnieks <valdis.kletnieks@vt.edu> Acked-by: Dan Magenheimer <dan.magenheimer@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/staging/zcache/zcache-main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/staging/zcache/zcache-main.c +++ b/drivers/staging/zcache/zcache-main.c @@ -1242,7 +1242,7 @@ static int zcache_pampd_get_data_and_fre int ret = 0; BUG_ON(!is_ephemeral(pool)); - zbud_decompress(virt_to_page(data), pampd); + zbud_decompress((struct page *)(data), pampd); zbud_free_and_delist((struct zbud_hdr *)pampd); atomic_dec(&zcache_curr_eph_pampd_count); return ret;
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