commit: http://blackfin.uclinux.org/git/?p=linux-kernel;a=commitdiff;h=b9c833acb646fc02a7fa442b645aee6501f1876a branch: http://blackfin.uclinux.org/git/?p=linux-kernel;a=shortlog;h=refs/heads/2011R1
Signed-off-by: Sonic Zhang <[email protected]> --- fs/drop_caches.c | 2 +- mm/page_alloc.c | 6 ++++++ 2 files changed, 7 insertions(+), 1 deletions(-) diff --git a/fs/drop_caches.c b/fs/drop_caches.c index c00e055..478db08 100644 --- a/fs/drop_caches.c +++ b/fs/drop_caches.c @@ -13,7 +13,7 @@ /* A global variable is a bit ugly, but it keeps the code simple */ int sysctl_drop_caches; -static void drop_pagecache_sb(struct super_block *sb, void *unused) +void drop_pagecache_sb(struct super_block *sb, void *unused) { struct inode *inode, *toput_inode = NULL; diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 0f50cdb..9bfb136 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2018,6 +2018,9 @@ __alloc_pages_high_priority(gfp_t gfp_mask, unsigned int order, struct page *page; do { +#ifdef CONFIG_NOMMU + iterate_supers(drop_pagecache_sb, NULL); +#endif page = get_page_from_freelist(gfp_mask, nodemask, order, zonelist, high_zoneidx, ALLOC_NO_WATERMARKS, preferred_zone, migratetype); @@ -2190,6 +2193,9 @@ rebalance: if (page) goto got_pg; +#ifdef CONFIG_NOMMU + iterate_supers(drop_pagecache_sb, NULL); +#endif /* * If we failed to make any progress reclaiming, then we are * running out of options and have to consider going OOM
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