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16 September 2024, 20:19:31 UTC
Revision 16c794b4f3ff38e97a71ce2472c7792f859d1022 authored by Joonsoo Kim on 16 October 2013, 20:46:48 UTC, committed by Linus Torvalds on 17 October 2013, 04:35:52 UTC 
mm/hugetlb.c: correct missing private flag clearing
 
We should clear the page's private flag when returing the page to the
hugepage pool.  Otherwise, marked hugepage can be allocated to the user
who tries to allocate the non-reserved hugepage.  If this user fail to
map this hugepage, he would try to return the page to the hugepage pool.
Since this page has a private flag, resv_huge_pages would mistakenly
increase.  This patch fixes this situation.

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Davidlohr Bueso <davidlohr.bueso@hp.com>
Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Hillf Danton <dhillf@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent ae39332
History
Tip revision: 16c794b4f3ff38e97a71ce2472c7792f859d1022 authored by Joonsoo Kim on 16 October 2013, 20:46:48 UTC
mm/hugetlb.c: correct missing private flag clearing
Tip revision: 16c794b
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.gitignore -rw-r--r-- 1.1 KB
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