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| author | Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> | 2005-09-22 21:44:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-22 22:17:36 -0700 |
| commit | 69e1e688f5698287b45fbff22a01de91b20804cd (patch) | |
| tree | 2570b75a608a3deddc69afc8b989dbb66557efea /include/asm-um | |
| parent | a8bfb94c58238666df0d6856861d18f0f52fc752 (diff) | |
| download | lwn-69e1e688f5698287b45fbff22a01de91b20804cd.tar.gz lwn-69e1e688f5698287b45fbff22a01de91b20804cd.zip | |
[PATCH] uml: don't redundantly mark pte as newpage in pte_modify
pte_modify marks a page as needing flush, which is redundant because the
resulting PTE is still set with set_pte, which already handles that.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Cc: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-um')
| -rw-r--r-- | include/asm-um/pgtable.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/include/asm-um/pgtable.h b/include/asm-um/pgtable.h index ed06170e0edd..616d02b57ea9 100644 --- a/include/asm-um/pgtable.h +++ b/include/asm-um/pgtable.h @@ -346,7 +346,6 @@ static inline void set_pte(pte_t *pteptr, pte_t pteval) static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) { pte_set_val(pte, (pte_val(pte) & _PAGE_CHG_MASK), newprot); - if(pte_present(pte)) pte = pte_mknewpage(pte_mknewprot(pte)); return pte; } |