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ceph: switch some GFP_NOFS memory allocation to GFP_KERNEL

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GFP_NOFS memory allocation is required for page writeback path.
But there is no need to use GFP_NOFS in syscall path and readpage
path

Signed-off-by: Yan, Zheng <zyan@redhat.com>
This commit is contained in:
Yan, Zheng
2015-06-13 17:27:05 +08:00
committed by Ilya Dryomov
parent f66fd9f095
commit 687265e5a8
5 changed files with 15 additions and 14 deletions
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4
fs/ceph/addr.c
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@@ -350,7 +350,7 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max)
/* build page vector */
nr_pages = calc_pages_for(0, len);
pages = kmalloc(sizeof(*pages) * nr_pages, GFP_NOFS);
pages = kmalloc(sizeof(*pages) * nr_pages, GFP_KERNEL);
ret = -ENOMEM;
if (!pages)
goto out;
@@ -362,7 +362,7 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max)
dout("start_read %p adding %p idx %lu\n", inode, page,
page->index);
if (add_to_page_cache_lru(page, &inode->i_data, page->index,
GFP_NOFS)) {
GFP_KERNEL)) {
ceph_fscache_uncache_page(inode, page);
page_cache_release(page);
dout("start_read %p add_to_page_cache failed %p\n",