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Tue, 26 May 2020 23:45:55 -0700 (PDT) From: js1304@gmail.com X-Google-Original-From: iamjoonsoo.kim@lge.com To: Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@lge.com, Vlastimil Babka , Christoph Hellwig , Roman Gushchin , Mike Kravetz , Naoya Horiguchi , Michal Hocko , Joonsoo Kim Subject: [PATCH v2 04/12] mm/hugetlb: use provided ac->gfp_mask for allocation Date: Wed, 27 May 2020 15:44:55 +0900 Message-Id: <1590561903-13186-5-git-send-email-iamjoonsoo.kim@lge.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1590561903-13186-1-git-send-email-iamjoonsoo.kim@lge.com> References: <1590561903-13186-1-git-send-email-iamjoonsoo.kim@lge.com> X-Rspamd-Queue-Id: A6722180C07AB X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam03 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Joonsoo Kim gfp_mask handling on alloc_huge_page_(node|nodemask) is slightly changed, from ASSIGN to OR. It's safe since caller of these functions doesn't pass extra gfp_mask except htlb_alloc_mask(). This is a preparation step for following patches. Signed-off-by: Joonsoo Kim --- mm/hugetlb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 453ba94..dabe460 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1985,7 +1985,7 @@ struct page *alloc_huge_page_node(struct hstate *h, { struct page *page = NULL; - ac->gfp_mask = htlb_alloc_mask(h); + ac->gfp_mask |= htlb_alloc_mask(h); if (ac->nid != NUMA_NO_NODE) ac->gfp_mask |= __GFP_THISNODE; @@ -2004,7 +2004,7 @@ struct page *alloc_huge_page_node(struct hstate *h, struct page *alloc_huge_page_nodemask(struct hstate *h, struct alloc_control *ac) { - ac->gfp_mask = htlb_alloc_mask(h); + ac->gfp_mask |= htlb_alloc_mask(h); spin_lock(&hugetlb_lock); if (h->free_huge_pages - h->resv_huge_pages > 0) { -- 2.7.4