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authorJia-Ju Bai2018-04-09 22:31:19 +0800
committerJan Kara2018-04-09 17:48:54 +0200
commit1aa3b3e0cbdb32439f04842e88fc7557a0777660 (patch)
tree1c49cc6fd8d4af5b2c3bb22acb4d9f55f82eb513 /fs/cramfs/README
parent54a307ba8d3cd00a3902337ffaae28f436eeb1a4 (diff)
fs: quota: Replace GFP_ATOMIC with GFP_KERNEL in dquot_init
dquot_init() is never called in atomic context. This function is only set as a parameter of fs_initcall(). Despite never getting called from atomic context, dquot_init() calls __get_free_pages() with GFP_ATOMIC, which waits busily for allocation. GFP_ATOMIC is not necessary and can be replaced with GFP_KERNEL, to avoid busy waiting and improve the possibility of sucessful allocation. This is found by a static analysis tool named DCNS written by myself. And I also manually check it. Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
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