From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 223022CA8 for ; Wed, 1 Dec 2021 18:15:23 +0000 (UTC) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id A30DF218D9; Wed, 1 Dec 2021 18:15:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1638382519; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/8AMLYvdpfTtBdZFcpvfDY+08zMPxrszJpq3L8Y4IkI=; b=A5ZDyy0DwEtkKOY46fXuMpzX2K2K0tBwv5pfKgjPDfS5uJQBYE6peA00kbLIymsJaUaiyc qpTUe2h4+IHgKzRbNvn4bYS7H7S2zXgfTpywD9tdHoPq/LY76Z9hibYtzPigIfp/MTvXJC IjRq0pl4uwJJiT8dLplok49BDtwsIX0= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1638382519; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/8AMLYvdpfTtBdZFcpvfDY+08zMPxrszJpq3L8Y4IkI=; b=y5yHBIwhkjmyPET4XTB/DaXSQ4QvlltquSEF2FiOUsqCDpWZXpQDodCvcXdG5oaIgvKamy S27kuahzkhAvKDDQ== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 804C613D9D; Wed, 1 Dec 2021 18:15:19 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id aBO2Hre7p2HPSAAAMHmgww (envelope-from ); Wed, 01 Dec 2021 18:15:19 +0000 From: Vlastimil Babka To: Matthew Wilcox , Christoph Lameter , David Rientjes , Joonsoo Kim , Pekka Enberg Cc: linux-mm@kvack.org, Andrew Morton , patches@lists.linux.dev, Vlastimil Babka Subject: [PATCH v2 24/33] mm/slob: Convert SLOB to use struct slab Date: Wed, 1 Dec 2021 19:15:01 +0100 Message-Id: <20211201181510.18784-25-vbabka@suse.cz> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211201181510.18784-1-vbabka@suse.cz> References: <20211201181510.18784-1-vbabka@suse.cz> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3794; i=vbabka@suse.cz; h=from:subject; bh=xa214YLDtbNUR9XtnN+78HMPqwWCI0KceeNn5J2llgk=; b=owEBbQGS/pANAwAIAeAhynPxiakQAcsmYgBhp7uUM5ZvyXBhOt83ZAlKuo/T27s4yLaQth/3ox1G pQRJuYuJATMEAAEIAB0WIQSNS5MBqTXjGL5IXszgIcpz8YmpEAUCYae7lAAKCRDgIcpz8YmpEHXrB/ 9PQLY2NBX4I6k6ddxtLuVK8Ut9r4hMykmlMZKoNRWJWoKNvjulpU1s/2JwOOVxy0iDzArEVL83pR9R pjZ9RSAm5eXXodJnAlRzKF8/dn3MWM74eJNhZqjx4oGDtZvdm9c7ajg8RuIxthzFyM3TxB/eDHdpJu uf8zfEjWvwr8boxkXXtgcHJjdPD9Vefis6K2v+s91T+MNu1H9tNZG+NPNLEUQyuaJUGI8/+crTPQyj o3elbbiPYjjZcC0P/eLiqTKzH3banYY/IoZVU6/kR+C6SqjMJNxsAQ3ploBm/nLWiLOBBI1WFAMPZb vSVk6tF1XVmLfSlPSDcCOn/15pI6ux X-Developer-Key: i=vbabka@suse.cz; a=openpgp; fpr=A940D434992C2E8E99103D50224FA7E7CC82A664 Content-Transfer-Encoding: 8bit From: "Matthew Wilcox (Oracle)" Use struct slab throughout the slob allocator. [ vbabka@suse.cz: don't introduce wrappers for PageSlobFree in mm/slab.h just for the single callers being wrappers in mm/slob.c ] Signed-off-by: Matthew Wilcox (Oracle) Signed-off-by: Vlastimil Babka --- mm/slob.c | 34 +++++++++++++++++----------------- 1 file changed, 17 insertions(+), 17 deletions(-) diff --git a/mm/slob.c b/mm/slob.c index d2d15e7f191c..d3512bcc3141 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -105,21 +105,21 @@ static LIST_HEAD(free_slob_large); /* * slob_page_free: true for pages on free_slob_pages list. */ -static inline int slob_page_free(struct page *sp) +static inline int slob_page_free(struct slab *slab) { - return PageSlobFree(sp); + return PageSlobFree(slab_page(slab)); } -static void set_slob_page_free(struct page *sp, struct list_head *list) +static void set_slob_page_free(struct slab *slab, struct list_head *list) { - list_add(&sp->slab_list, list); - __SetPageSlobFree(sp); + list_add(&slab->slab_list, list); + __SetPageSlobFree(slab_page(slab)); } -static inline void clear_slob_page_free(struct page *sp) +static inline void clear_slob_page_free(struct slab *slab) { - list_del(&sp->slab_list); - __ClearPageSlobFree(sp); + list_del(&slab->slab_list); + __ClearPageSlobFree(slab_page(slab)); } #define SLOB_UNIT sizeof(slob_t) @@ -234,7 +234,7 @@ static void slob_free_pages(void *b, int order) * freelist, in this case @page_removed_from_list will be set to * true (set to false otherwise). */ -static void *slob_page_alloc(struct page *sp, size_t size, int align, +static void *slob_page_alloc(struct slab *sp, size_t size, int align, int align_offset, bool *page_removed_from_list) { slob_t *prev, *cur, *aligned = NULL; @@ -301,7 +301,7 @@ static void *slob_page_alloc(struct page *sp, size_t size, int align, static void *slob_alloc(size_t size, gfp_t gfp, int align, int node, int align_offset) { - struct page *sp; + struct slab *sp; struct list_head *slob_list; slob_t *b = NULL; unsigned long flags; @@ -323,7 +323,7 @@ static void *slob_alloc(size_t size, gfp_t gfp, int align, int node, * If there's a node specification, search for a partial * page with a matching node id in the freelist. */ - if (node != NUMA_NO_NODE && page_to_nid(sp) != node) + if (node != NUMA_NO_NODE && slab_nid(sp) != node) continue; #endif /* Enough room on this page? */ @@ -358,8 +358,8 @@ static void *slob_alloc(size_t size, gfp_t gfp, int align, int node, b = slob_new_pages(gfp & ~__GFP_ZERO, 0, node); if (!b) return NULL; - sp = virt_to_page(b); - __SetPageSlab(sp); + sp = virt_to_slab(b); + __SetPageSlab(slab_page(sp)); spin_lock_irqsave(&slob_lock, flags); sp->units = SLOB_UNITS(PAGE_SIZE); @@ -381,7 +381,7 @@ static void *slob_alloc(size_t size, gfp_t gfp, int align, int node, */ static void slob_free(void *block, int size) { - struct page *sp; + struct slab *sp; slob_t *prev, *next, *b = (slob_t *)block; slobidx_t units; unsigned long flags; @@ -391,7 +391,7 @@ static void slob_free(void *block, int size) return; BUG_ON(!size); - sp = virt_to_page(block); + sp = virt_to_slab(block); units = SLOB_UNITS(size); spin_lock_irqsave(&slob_lock, flags); @@ -401,8 +401,8 @@ static void slob_free(void *block, int size) if (slob_page_free(sp)) clear_slob_page_free(sp); spin_unlock_irqrestore(&slob_lock, flags); - __ClearPageSlab(sp); - page_mapcount_reset(sp); + __ClearPageSlab(slab_page(sp)); + page_mapcount_reset(slab_page(sp)); slob_free_pages(b, 0); return; } -- 2.33.1