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author | David S. Miller <davem@davemloft.net> | 2020-03-25 18:58:11 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2020-03-25 18:58:11 -0700 |
commit | 9fb16955fb661945ddffce4504dcffbe55cd518a (patch) | |
tree | e0811476a96a9411686e24f15a48d63cc6d02e49 /arch/x86/mm/fault.c | |
parent | 1f074e677a343afcd852af5ee725bacc937fa6bd (diff) | |
parent | 1b649e0bcae71c118c1333e02249a7510ba7f70a (diff) | |
download | linux-9fb16955fb661945ddffce4504dcffbe55cd518a.tar.gz linux-9fb16955fb661945ddffce4504dcffbe55cd518a.tar.bz2 linux-9fb16955fb661945ddffce4504dcffbe55cd518a.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Overlapping header include additions in macsec.c
A bug fix in 'net' overlapping with the removal of 'version'
string in ena_netdev.c
Overlapping test additions in selftests Makefile
Overlapping PCI ID table adjustments in iwlwifi driver.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/x86/mm/fault.c')
-rw-r--r-- | arch/x86/mm/fault.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index fa4ea09593ab..629fdf13f846 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -190,7 +190,7 @@ static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address) return pmd_k; } -void vmalloc_sync_all(void) +static void vmalloc_sync(void) { unsigned long address; @@ -217,6 +217,16 @@ void vmalloc_sync_all(void) } } +void vmalloc_sync_mappings(void) +{ + vmalloc_sync(); +} + +void vmalloc_sync_unmappings(void) +{ + vmalloc_sync(); +} + /* * 32-bit: * @@ -319,11 +329,23 @@ out: #else /* CONFIG_X86_64: */ -void vmalloc_sync_all(void) +void vmalloc_sync_mappings(void) { + /* + * 64-bit mappings might allocate new p4d/pud pages + * that need to be propagated to all tasks' PGDs. + */ sync_global_pgds(VMALLOC_START & PGDIR_MASK, VMALLOC_END); } +void vmalloc_sync_unmappings(void) +{ + /* + * Unmappings never allocate or free p4d/pud pages. + * No work is required here. + */ +} + /* * 64-bit: * |