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| author | Ingo Molnar <mingo@kernel.org> | 2015-02-24 15:55:28 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-02-24 15:55:28 +0100 |
| commit | a1fb6696c662920f695c97591d759391aca8a1ad (patch) | |
| tree | 25cc9ca4d1d291e122ff694dd41a9cc6d6513f60 /arch/x86/mm/pgtable.c | |
| parent | 1f40a8bfa91adfa8d1ac5013c08c76f6fd6691ad (diff) | |
| parent | c517d838eb7d07bbe9507871fab3931deccff539 (diff) | |
| download | op-kernel-dev-a1fb6696c662920f695c97591d759391aca8a1ad.zip op-kernel-dev-a1fb6696c662920f695c97591d759391aca8a1ad.tar.gz | |
Merge tag 'v4.0-rc1' into x86/mm, to refresh the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/mm/pgtable.c')
| -rw-r--r-- | arch/x86/mm/pgtable.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c index d223e1f..5a7e525 100644 --- a/arch/x86/mm/pgtable.c +++ b/arch/x86/mm/pgtable.c @@ -190,7 +190,7 @@ void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd) #endif /* CONFIG_X86_PAE */ -static void free_pmds(pmd_t *pmds[]) +static void free_pmds(struct mm_struct *mm, pmd_t *pmds[]) { int i; @@ -198,10 +198,11 @@ static void free_pmds(pmd_t *pmds[]) if (pmds[i]) { pgtable_pmd_page_dtor(virt_to_page(pmds[i])); free_page((unsigned long)pmds[i]); + mm_dec_nr_pmds(mm); } } -static int preallocate_pmds(pmd_t *pmds[]) +static int preallocate_pmds(struct mm_struct *mm, pmd_t *pmds[]) { int i; bool failed = false; @@ -215,11 +216,13 @@ static int preallocate_pmds(pmd_t *pmds[]) pmd = NULL; failed = true; } + if (pmd) + mm_inc_nr_pmds(mm); pmds[i] = pmd; } if (failed) { - free_pmds(pmds); + free_pmds(mm, pmds); return -ENOMEM; } @@ -246,6 +249,7 @@ static void pgd_mop_up_pmds(struct mm_struct *mm, pgd_t *pgdp) paravirt_release_pmd(pgd_val(pgd) >> PAGE_SHIFT); pmd_free(mm, pmd); + mm_dec_nr_pmds(mm); } } } @@ -358,7 +362,7 @@ pgd_t *pgd_alloc(struct mm_struct *mm) mm->pgd = pgd; - if (preallocate_pmds(pmds) != 0) + if (preallocate_pmds(mm, pmds) != 0) goto out_free_pgd; if (paravirt_pgd_alloc(mm) != 0) @@ -379,7 +383,7 @@ pgd_t *pgd_alloc(struct mm_struct *mm) return pgd; out_free_pmds: - free_pmds(pmds); + free_pmds(mm, pmds); out_free_pgd: _pgd_free(pgd); out: |
