linux-kernel - [PATCH v2 23/23] mm/ARM: OMAP: Use memblock apis for early memory allocations

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Message-ID: <1386037658-3161-24-git-send-email-santosh.shilimkar@ti.com>
Date:	Mon, 2 Dec 2013 21:27:38 -0500
From:	Santosh Shilimkar <santosh.shilimkar@...com>
To:	<linux-kernel@...r.kernel.org>
CC:	<linux-arm-kernel@...ts.infradead.org>, <linux-mm@...ck.org>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	Yinghai Lu <yinghai@...nel.org>, Tejun Heo <tj@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Paul Walmsley <paul@...an.com>,
	Tony Lindgren <tony@...mide.com>
Subject: [PATCH v2 23/23] mm/ARM: OMAP: Use memblock apis for early memory allocations

Switch to memblock interfaces for early memory allocator instead of
bootmem allocator. No functional change in beahvior than what it is
in current code from bootmem users points of view.

Archs already converted to NO_BOOTMEM now directly use memblock
interfaces instead of bootmem wrappers build on top of memblock. And the
archs which still uses bootmem, these new apis just fallback to exiting
bootmem APIs.

Cc: Yinghai Lu <yinghai@...nel.org>
Cc: Tejun Heo <tj@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Paul Walmsley <paul@...an.com>
Cc: Tony Lindgren <tony@...mide.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@...com>
---
 arch/arm/mach-omap2/omap_hwmod.c |    8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index e3f0eca..92d11e2 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -2695,9 +2695,7 @@ static int __init _alloc_links(struct omap_hwmod_link **ml,
 	sz = sizeof(struct omap_hwmod_link) * LINKS_PER_OCP_IF;
 
 	*sl = NULL;
-	*ml = alloc_bootmem(sz);
-
-	memset(*ml, 0, sz);
+	*ml = memblock_virt_alloc(sz);
 
 	*sl = (void *)(*ml) + sizeof(struct omap_hwmod_link);
 
@@ -2816,9 +2814,7 @@ static int __init _alloc_linkspace(struct omap_hwmod_ocp_if **ois)
 	pr_debug("omap_hwmod: %s: allocating %d byte linkspace (%d links)\n",
 		 __func__, sz, max_ls);
 
-	linkspace = alloc_bootmem(sz);
-
-	memset(linkspace, 0, sz);
+	linkspace = memblock_virt_alloc(sz);
 
 	return 0;
 }
-- 
1.7.9.5

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