From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: ARC-Seal: i=1; a=rsa-sha256; t=1526916093; cv=none; d=google.com; s=arc-20160816; b=QyWaldYJ9Prwg1mAM+xdliZkSnFseEF4upcU/ByRFVVENOIjdzxr5H/HNtXDItLZi4 HhUEghVlH/M3w/1A38bqrWla5lVrWzwz8w907tE7xoDzW/l160eB/kDtDfsMzyt8/bnC l/Bmp9VO773v4hf3f0bwQvwBK1Nz3u+FowbTpAH9lx3q9IU9UzAYhj+qG0CrinCXQmaJ h01ySs1AOybspaMwT/dV1G20mbLeuz2KouH2Qm2jk5HUfk4SloZhfFRY8BfwqBWJyiWi jAYpwktxhMYMIJCXPAABl/UFnO4Sl6Rijc5797aueQsqjhaw1RliYqJEXS6lcJ3ZpOzB e0Xw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature:arc-authentication-results; bh=Rg6BKxT24DTcq0T6rzs0UC5ZSOHr8p7gHnyYQom/FPU=; b=BrDHvqfuFtd7HVg1wk16C+ndKSCVgrVuPyAMweyFn8u1JAVEpWisBFI1/c1mBwed2W oxH+2+hH4UP8nn25Zp9S3rOFj5fAaO9iURUl/rLNS3DYQITFU6IQtBOApH/LDPsB8niw sUvtuPSTHllvaDX/efyYERuv/egH5gpDya5RxQICJQml8pqR+wbJDTKbICuTRhWLATTZ Xnx6i2qdpVMNpPqdWGgqeTLkZ5voI2LNge2BIYOEaZ8DPZD5ESGAG//n4fbDhz67qlB6 2O4D7DupLfNUkCY/L+lQSixbBdKjQcY+Wqu6VAnerPa2m5+uCNilIgpft24E3fGWy3sY lxWw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=rbwSmOsP; spf=pass (google.com: domain of yehs2007@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=yehs2007@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=rbwSmOsP; spf=pass (google.com: domain of yehs2007@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=yehs2007@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com X-Google-Smtp-Source: AB8JxZpd+VUeHXEfmUKTzkaAcy6nRUqAEQMkRUjG5Ow1Tl9xgeMQTm41T6DzPgvXTExphSx2MkLfuA== From: Huaisheng Ye To: akpm@linux-foundation.org, linux-mm@kvack.org Cc: mhocko@suse.com, willy@infradead.org, vbabka@suse.cz, mgorman@techsingularity.net, kstewart@linuxfoundation.org, alexander.levin@verizon.com, gregkh@linuxfoundation.org, colyli@suse.de, chengnt@lenovo.com, hehy1@lenovo.com, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, xen-devel@lists.xenproject.org, linux-btrfs@vger.kernel.org, Huaisheng Ye , Minchan Kim , Nitin Gupta , Sergey Senozhatsky Subject: [RFC PATCH v2 10/12] mm/zsmalloc: update usage of address zone modifiers Date: Mon, 21 May 2018 23:20:31 +0800 Message-Id: <1526916033-4877-11-git-send-email-yehs2007@gmail.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1526916033-4877-1-git-send-email-yehs2007@gmail.com> References: <1526916033-4877-1-git-send-email-yehs2007@gmail.com> X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1601087569730678169?= X-GMAIL-MSGID: =?utf-8?q?1601087569730678169?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Huaisheng Ye Use __GFP_ZONE_MOVABLE to replace (__GFP_HIGHMEM | __GFP_MOVABLE). ___GFP_DMA, ___GFP_HIGHMEM and ___GFP_DMA32 have been deleted from GFP bitmasks, the bottom three bits of GFP mask is reserved for storing encoded zone number. __GFP_ZONE_MOVABLE contains encoded ZONE_MOVABLE and __GFP_MOVABLE flag. With GFP_ZONE_TABLE, __GFP_HIGHMEM ORing __GFP_MOVABLE means gfp_zone should return ZONE_MOVABLE. In order to keep that compatible with GFP_ZONE_TABLE, replace (__GFP_HIGHMEM | __GFP_MOVABLE) with __GFP_ZONE_MOVABLE. Signed-off-by: Huaisheng Ye Cc: Minchan Kim Cc: Nitin Gupta Cc: Sergey Senozhatsky --- mm/zsmalloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index c301350..06b2902 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -343,7 +343,7 @@ static void destroy_cache(struct zs_pool *pool) static unsigned long cache_alloc_handle(struct zs_pool *pool, gfp_t gfp) { return (unsigned long)kmem_cache_alloc(pool->handle_cachep, - gfp & ~(__GFP_HIGHMEM|__GFP_MOVABLE)); + gfp & ~__GFP_ZONE_MOVABLE); } static void cache_free_handle(struct zs_pool *pool, unsigned long handle) @@ -354,7 +354,7 @@ static void cache_free_handle(struct zs_pool *pool, unsigned long handle) static struct zspage *cache_alloc_zspage(struct zs_pool *pool, gfp_t flags) { return kmem_cache_alloc(pool->zspage_cachep, - flags & ~(__GFP_HIGHMEM|__GFP_MOVABLE)); + flags & ~__GFP_ZONE_MOVABLE); } static void cache_free_zspage(struct zs_pool *pool, struct zspage *zspage) -- 1.8.3.1