+ mm-vmalloc-remove-map_kernel_range-fix-2.patch added to -mm tree

* + mm-vmalloc-remove-map_kernel_range-fix-2.patch added to -mm tree
@ 2021-04-02  0:15 akpm
  2021-04-06  7:48 ` Stephen Rothwell
  0 siblings, 1 reply; 2+ messages in thread
From: akpm @ 2021-04-02  0:15 UTC (permalink / raw)
  To: hch, mm-commits, npiggin, sfr


The patch titled
     Subject: mm-vmalloc-remove-map_kernel_range-fix-2
has been added to the -mm tree.  Its filename is
     mm-vmalloc-remove-map_kernel_range-fix-2.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-vmalloc-remove-map_kernel_range-fix-2.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-vmalloc-remove-map_kernel_range-fix-2.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/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next and is updated
there every 3-4 working days

------------------------------------------------------
From: Nicholas Piggin <npiggin@gmail.com>
Subject: mm-vmalloc-remove-map_kernel_range-fix-2

This requires a fix for nommu builds.

Link: https://lkml.kernel.org/r/1617292497.o1uhq5ipxp.astroid@bobo.none
Cc: Christoph Hellwig <hch@lst.de>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/internal.h |   10 ++++++++++
 1 file changed, 10 insertions(+)

--- a/mm/internal.h~mm-vmalloc-remove-map_kernel_range-fix-2
+++ a/mm/internal.h
@@ -644,8 +644,18 @@ struct migration_target_control {
 /*
  * mm/vmalloc.c
  */
+#ifdef CONFIG_MMU
 int vmap_pages_range_noflush(unsigned long addr, unsigned long end,
                 pgprot_t prot, struct page **pages, unsigned int page_shift);
+#else
+static inline
+int vmap_pages_range_noflush(unsigned long addr, unsigned long end,
+                pgprot_t prot, struct page **pages, unsigned int page_shift)
+{
+	return -EINVAL;
+}
+#endif
+
 void vunmap_range_noflush(unsigned long start, unsigned long end);
 
 #endif	/* __MM_INTERNAL_H */
_

Patches currently in -mm which might be from npiggin@gmail.com are

arm-mm-add-missing-pud_page-define-to-2-level-page-tables.patch
mm-vmalloc-fix-huge_vmap-regression-by-enabling-huge-pages-in-vmalloc_to_page.patch
mm-vmalloc-fix-huge_vmap-regression-by-enabling-huge-pages-in-vmalloc_to_page-fix.patch
mm-apply_to_pte_range-warn-and-fail-if-a-large-pte-is-encountered.patch
mm-vmalloc-rename-vmap__range-vmap_pages__range.patch
mm-ioremap-rename-ioremap__range-to-vmap__range.patch
mm-huge_vmap-arch-support-cleanup.patch
powerpc-inline-huge-vmap-supported-functions.patch
arm64-inline-huge-vmap-supported-functions.patch
x86-inline-huge-vmap-supported-functions.patch
mm-vmalloc-provide-fallback-arch-huge-vmap-support-functions.patch
mm-move-vmap_range-from-mm-ioremapc-to-mm-vmallocc.patch
mm-vmalloc-add-vmap_range_noflush-variant.patch
mm-vmalloc-hugepage-vmalloc-mappings.patch
powerpc-64s-radix-enable-huge-vmalloc-mappings.patch
mm-vmalloc-remove-map_kernel_range.patch
kernel-dma-remove-unnecessary-unmap_kernel_range.patch
powerpc-xive-remove-unnecessary-unmap_kernel_range.patch
mm-vmalloc-remove-unmap_kernel_range.patch
mm-vmalloc-remove-unmap_kernel_range-fix.patch
mm-vmalloc-remove-map_kernel_range-fix-2.patch
mm-vmalloc-improve-allocation-failure-error-messages.patch


^ permalink raw reply	[flat|nested] 2+ messages in thread