The patch titled
Subject: mm/hugetlb: export hugetlb_entry_migration helper
has been added to the -mm tree. Its filename is
mm-hugetlb-export-hugetlb_entry_migration-helper.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-hugetlb-export-hugetlb_entry_migration-helper.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-hugetlb-export-hugetlb_entry_migration-helper.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Subject: mm/hugetlb: export hugetlb_entry_migration helper
We will be using this later from the ppc64 code. Change the return type
to bool.
Link: http://lkml.kernel.org/r/1494926612-23928-4-git-send-email-aneesh.kumar@xxxxxxxxxxxxxxxxxx
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Cc: Anshuman Khandual <khandual@xxxxxxxxxxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Mike Kravetz <kravetz@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/hugetlb.h | 1 +
mm/hugetlb.c | 8 ++++----
2 files changed, 5 insertions(+), 4 deletions(-)
diff -puN include/linux/hugetlb.h~mm-hugetlb-export-hugetlb_entry_migration-helper include/linux/hugetlb.h
--- a/include/linux/hugetlb.h~mm-hugetlb-export-hugetlb_entry_migration-helper
+++ a/include/linux/hugetlb.h
@@ -126,6 +126,7 @@ int pud_huge(pud_t pud);
unsigned long hugetlb_change_protection(struct vm_area_struct *vma,
unsigned long address, unsigned long end, pgprot_t newprot);
+bool is_hugetlb_entry_migration(pte_t pte);
#else /* !CONFIG_HUGETLB_PAGE */
static inline void reset_vma_resv_huge_pages(struct vm_area_struct *vma)
diff -puN mm/hugetlb.c~mm-hugetlb-export-hugetlb_entry_migration-helper mm/hugetlb.c
--- a/mm/hugetlb.c~mm-hugetlb-export-hugetlb_entry_migration-helper
+++ a/mm/hugetlb.c
@@ -3201,17 +3201,17 @@ static void set_huge_ptep_writable(struc
update_mmu_cache(vma, address, ptep);
}
-static int is_hugetlb_entry_migration(pte_t pte)
+bool is_hugetlb_entry_migration(pte_t pte)
{
swp_entry_t swp;
if (huge_pte_none(pte) || pte_present(pte))
- return 0;
+ return false;
swp = pte_to_swp_entry(pte);
if (non_swap_entry(swp) && is_migration_entry(swp))
- return 1;
+ return true;
else
- return 0;
+ return false;
}
static int is_hugetlb_entry_hwpoisoned(pte_t pte)
_
Patches currently in -mm which might be from aneesh.kumar@xxxxxxxxxxxxxxxxxx are
mm-hugetlb-migration-use-set_huge_pte_at-instead-of-set_pte_at.patch
mm-follow_page_mask-split-follow_page_mask-to-smaller-functions.patch
mm-hugetlb-export-hugetlb_entry_migration-helper.patch
mm-hugetlb-move-default-definition-of-hugepd_t-earlier-in-the-header.patch
mm-follow_page_mask-add-support-for-hugepage-directory-entry.patch
powerpc-hugetlb-add-follow_huge_pd-implementation-for-ppc64.patch
powerpc-mm-hugetlb-remove-follow_huge_addr-for-powerpc.patch
powerpc-hugetlb-enable-hugetlb-migration-for-ppc64.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
