All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Thomas Hellström (VMware)" <thomas_os@shipmail.org>
To: linux-mm@kvack.org, dri-devel@lists.freedesktop.org,
	linux-kernel@vger.kernel.org
Cc: pv-drivers@vmware.com, linux-graphics-maintainer@vmware.com,
	"Thomas Hellstrom" <thellstrom@vmware.com>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"Michal Hocko" <mhocko@suse.com>,
	"Matthew Wilcox (Oracle)" <willy@infradead.org>,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
	"Ralph Campbell" <rcampbell@nvidia.com>,
	"Jérôme Glisse" <jglisse@redhat.com>,
	"Christian König" <christian.koenig@amd.com>,
	"Dan Williams" <dan.j.williams@intel.com>,
	"Roland Scheidegger" <sroland@vmware.com>
Subject: [PATCH v3 1/9] fs: Constify vma argument to vma_is_dax
Date: Wed,  5 Feb 2020 13:53:45 +0100	[thread overview]
Message-ID: <20200205125353.2760-2-thomas_os@shipmail.org> (raw)
In-Reply-To: <20200205125353.2760-1-thomas_os@shipmail.org>

From: Thomas Hellstrom <thellstrom@vmware.com>

The vma argument is only dereferenced for reading.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Ralph Campbell <rcampbell@nvidia.com>
Cc: "Jérôme Glisse" <jglisse@redhat.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
---
 include/linux/fs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 98e0349adb52..4f41fdbf402f 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -3367,7 +3367,7 @@ static inline bool io_is_direct(struct file *filp)
 	return (filp->f_flags & O_DIRECT) || IS_DAX(filp->f_mapping->host);
 }
 
-static inline bool vma_is_dax(struct vm_area_struct *vma)
+static inline bool vma_is_dax(const struct vm_area_struct *vma)
 {
 	return vma->vm_file && IS_DAX(vma->vm_file->f_mapping->host);
 }
-- 
2.21.1


WARNING: multiple messages have this Message-ID (diff)
From: "Thomas Hellström (VMware)" <thomas_os@shipmail.org>
To: linux-mm@kvack.org, dri-devel@lists.freedesktop.org,
	linux-kernel@vger.kernel.org
Cc: "Thomas Hellstrom" <thellstrom@vmware.com>,
	"Michal Hocko" <mhocko@suse.com>,
	pv-drivers@vmware.com, "Roland Scheidegger" <sroland@vmware.com>,
	"Dan Williams" <dan.j.williams@intel.com>,
	"Ralph Campbell" <rcampbell@nvidia.com>,
	"Matthew Wilcox (Oracle)" <willy@infradead.org>,
	"Jérôme Glisse" <jglisse@redhat.com>,
	linux-graphics-maintainer@vmware.com,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"Christian König" <christian.koenig@amd.com>,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Subject: [PATCH v3 1/9] fs: Constify vma argument to vma_is_dax
Date: Wed,  5 Feb 2020 13:53:45 +0100	[thread overview]
Message-ID: <20200205125353.2760-2-thomas_os@shipmail.org> (raw)
In-Reply-To: <20200205125353.2760-1-thomas_os@shipmail.org>

From: Thomas Hellstrom <thellstrom@vmware.com>

The vma argument is only dereferenced for reading.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Ralph Campbell <rcampbell@nvidia.com>
Cc: "Jérôme Glisse" <jglisse@redhat.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
---
 include/linux/fs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 98e0349adb52..4f41fdbf402f 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -3367,7 +3367,7 @@ static inline bool io_is_direct(struct file *filp)
 	return (filp->f_flags & O_DIRECT) || IS_DAX(filp->f_mapping->host);
 }
 
-static inline bool vma_is_dax(struct vm_area_struct *vma)
+static inline bool vma_is_dax(const struct vm_area_struct *vma)
 {
 	return vma->vm_file && IS_DAX(vma->vm_file->f_mapping->host);
 }
-- 
2.21.1

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

  reply	other threads:[~2020-02-05 12:54 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-05 12:53 [PATCH v3 0/9] Huge page-table entries for TTM Thomas Hellström (VMware)
2020-02-05 12:53 ` Thomas Hellström (VMware)
2020-02-05 12:53 ` Thomas Hellström (VMware) [this message]
2020-02-05 12:53   ` [PATCH v3 1/9] fs: Constify vma argument to vma_is_dax Thomas Hellström (VMware)
2020-02-05 12:53 ` [PATCH v3 2/9] mm: Introduce vma_is_special_huge Thomas Hellström (VMware)
2020-02-05 12:53   ` Thomas Hellström (VMware)
2020-02-05 12:53 ` [PATCH v3 3/9] mm: Split huge pages on write-notify or COW Thomas Hellström (VMware)
2020-02-05 12:53   ` Thomas Hellström (VMware)
2020-02-05 12:53 ` [PATCH v3 4/9] mm: Add vmf_insert_pfn_xxx_prot() for huge page-table entries Thomas Hellström (VMware)
2020-02-05 12:53   ` Thomas Hellström (VMware)
2020-02-05 12:53 ` [PATCH v3 5/9] drm/ttm, drm/vmwgfx: Support huge TTM pagefaults Thomas Hellström (VMware)
2020-02-05 12:53   ` Thomas Hellström (VMware)
2020-02-05 15:20   ` Christian König
2020-02-05 15:20     ` Christian König
2020-02-05 12:53 ` [PATCH v3 6/9] drm/vmwgfx: Support huge page faults Thomas Hellström (VMware)
2020-02-05 12:53   ` Thomas Hellström (VMware)
2020-02-05 12:53 ` [PATCH v3 7/9] drm: Add a drm_get_unmapped_area() helper Thomas Hellström (VMware)
2020-02-05 12:53   ` Thomas Hellström (VMware)
2020-02-05 12:53 ` [PATCH v3 8/9] drm/vmwgfx: Introduce a huge page aligning TTM range manager Thomas Hellström (VMware)
2020-02-05 12:53   ` Thomas Hellström (VMware)
2020-02-05 12:53 ` [PATCH v3 9/9] drm/vmwgfx: Hook up the helpers to align buffer objects Thomas Hellström (VMware)
2020-02-05 12:53   ` Thomas Hellström (VMware)

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200205125353.2760-2-thomas_os@shipmail.org \
    --to=thomas_os@shipmail.org \
    --cc=akpm@linux-foundation.org \
    --cc=christian.koenig@amd.com \
    --cc=dan.j.williams@intel.com \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=jglisse@redhat.com \
    --cc=kirill.shutemov@linux.intel.com \
    --cc=linux-graphics-maintainer@vmware.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=mhocko@suse.com \
    --cc=pv-drivers@vmware.com \
    --cc=rcampbell@nvidia.com \
    --cc=sroland@vmware.com \
    --cc=thellstrom@vmware.com \
    --cc=willy@infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.