From: Yasunori Goto <y-goto@jp.fujitsu.com>
To: Linux Hotplug Memory Support <lhms-devel@lists.sourceforge.net>,
linux-mm <linux-mm@kvack.org>
Cc: Joel Schopp <jschopp@austin.ibm.com>
Subject: [Patch] New zone ZONE_EASY_RECLAIM take 3. (disable gfp_easy_reclaim bit)[5/5]
Date: Sat, 10 Dec 2005 20:03:08 +0900 [thread overview]
Message-ID: <20051210194245.4830.Y-GOTO@jp.fujitsu.com> (raw)
This is to disable __GFP_EASY_RECLAIM flag at add_to_page_cache().
If this patch is not applied, cache_grow() checks and call BUG(),
at here.
if (flags & ~(SLAB_DMA|SLAB_LEVEL_MASK|SLAB_NO_GROW))
BUG();
This patch is to solve it.
Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com>
Index: zone_reclaim/mm/filemap.c
===================================================================
--- zone_reclaim.orig/mm/filemap.c 2005-12-10 17:12:57.000000000 +0900
+++ zone_reclaim/mm/filemap.c 2005-12-10 17:18:57.000000000 +0900
@@ -395,7 +395,7 @@ int filemap_write_and_wait_range(struct
int add_to_page_cache(struct page *page, struct address_space *mapping,
pgoff_t offset, gfp_t gfp_mask)
{
- int error = radix_tree_preload(gfp_mask & ~__GFP_HIGHMEM);
+ int error = radix_tree_preload(gfp_mask & ~(__GFP_HIGHMEM | __GFP_EASY_RECLAIM));
if (error == 0) {
write_lock_irq(&mapping->tree_lock);
--
Yasunori Goto
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reply other threads:[~2005-12-10 11:03 UTC|newest]
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