The patch titled
Subject: hugetlbfs-add-minimum-size-accounting-to-subpools-fix
has been added to the -mm tree. Its filename is
hugetlbfs-add-minimum-size-accounting-to-subpools-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/hugetlbfs-add-minimum-size-accounting-to-subpools-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/hugetlbfs-add-minimum-size-accounting-to-subpools-fix.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: hugetlbfs-add-minimum-size-accounting-to-subpools-fix
clean up comments, use punctuation, etc
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: Aneesh Kumar <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Davidlohr Bueso <dave@xxxxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/hugetlb.c | 24 ++++++++++++++----------
1 file changed, 14 insertions(+), 10 deletions(-)
diff -puN mm/hugetlb.c~hugetlbfs-add-minimum-size-accounting-to-subpools-fix mm/hugetlb.c
--- a/mm/hugetlb.c~hugetlbfs-add-minimum-size-accounting-to-subpools-fix
+++ a/mm/hugetlb.c
@@ -125,8 +125,10 @@ static long hugepage_subpool_get_pages(s
if (spool->min_hpages) { /* minimum size accounting */
if (delta > spool->rsv_hpages) {
- /* asking for more reserves than those already taken
- * on behalf of subpool. return difference */
+ /*
+ * Asking for more reserves than those already taken on
+ * behalf of subpool. Return difference.
+ */
ret = delta - spool->rsv_hpages;
spool->rsv_hpages = 0;
} else {
@@ -141,7 +143,7 @@ unlock_ret:
}
/*
- * subpool accounting for freeing and unreserving pages
+ * Subpool accounting for freeing and unreserving pages.
* Return the number of global page reservations that must be dropped.
* The return value may only be different than the passed value (delta)
* in the case where a subpool minimum size must be maintained.
@@ -170,8 +172,10 @@ static long hugepage_subpool_put_pages(s
spool->rsv_hpages = spool->min_hpages;
}
- /* If hugetlbfs_put_super couldn't free spool due to
- * an outstanding quota reference, free it now. */
+ /*
+ * If hugetlbfs_put_super couldn't free spool due to an outstanding
+ * quota reference, free it now.
+ */
unlock_or_release_subpool(spool);
return ret;
@@ -923,9 +927,9 @@ void free_huge_page(struct page *page)
ClearPagePrivate(page);
/*
- * A return code of zero implies that the subpool will be under
- * it's minimum size if the reservation is not restored after
- * page is free. Therefore, force restore_reserve operation.
+ * A return code of zero implies that the subpool will be under its
+ * minimum size if the reservation is not restored after page is free.
+ * Therefore, force restore_reserve operation.
*/
if (hugepage_subpool_put_pages(spool, 1) == 0)
restore_reserve = true;
@@ -2523,8 +2527,8 @@ static void hugetlb_vm_op_close(struct v
if (reserve) {
/*
- * decrement reserve counts. The global reserve count
- * may be adjusted if the subpool has a minimum size.
+ * Decrement reserve counts. The global reserve count may be
+ * adjusted if the subpool has a minimum size.
*/
gbl_reserve = hugepage_subpool_put_pages(spool, reserve);
hugetlb_acct_memory(h, -gbl_reserve);
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
origin.patch
arch-alpha-kernel-systblss-remove-debug-check.patch
i-need-old-gcc.patch
drivers-rtc-rtc-mrst-fix-suspend-resume-fix.patch
mm-fix-anon_vma-degree-underflow-in-anon_vma-endless-growing-prevention.patch
mm.patch
mm-cma-release-trigger-checkpatch-fixes.patch
mm-cma-allocation-trigger-fix.patch
mm-compaction-enhance-compaction-finish-condition-fix.patch
page_writeback-cleanup-mess-around-cancel_dirty_page-checkpatch-fixes.patch
mm-hide-per-cpu-lists-in-output-of-show_mem-fix.patch
mm-clarify-__gfp_nofail-deprecation-status-checkpatch-fixes.patch
mm-change-vunmap-to-tear-down-huge-kva-mappings-fix.patch
mm-mempool-do-not-allow-atomic-resizing-checkpatch-fixes.patch
hugetlbfs-add-minimum-size-tracking-fields-to-subpool-structure-fix.patch
hugetlbfs-add-minimum-size-accounting-to-subpools-fix.patch
mm-vmscan-fix-the-page-state-calculation-in-too_many_isolated.patch
x86-add-pmd_-for-thp-fix.patch
sparc-add-pmd_-for-thp-fix.patch
zram-add-dynamic-device-add-remove-functionality-fix.patch
zram-introduce-automatic-device_id-generation-fix.patch
zsmalloc-support-compaction-fix.patch
kernel-conditionally-support-non-root-users-groups-and-capabilities-checkpatch-fixes.patch
lib-vsprintf-add-%pcnr-format-specifiers-for-clocks-fix.patch
lib-find__bit-reimplementation-fix.patch
checkpatch-match-more-world-writable-permissions-fix.patch
binfmt_misc-simplify-entry_status-fix.patch
rtc-add-abracon-abx80x-driver-fix.patch
fs-fat-remove-unnecessary-includes-fix.patch
kconfig-use-macros-which-are-already-defined-fix.patch
linux-next.patch
linux-next-rejects.patch
lib-kconfig-fix-up-have_arch_bitreverse-help-text.patch
oprofile-reduce-mmap_sem-hold-for-mm-exe_file-fix.patch
tomoyo-reduce-mmap_sem-hold-for-mm-exe_file-checkpatch-fixes.patch
do_shared_fault-check-that-mmap_sem-is-held.patch
journal_add_journal_head-debug.patch
journal_add_journal_head-debug-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch
mutex-subsystem-synchro-test-module.patch
slab-leaks3-default-y.patch
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