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Eliminate the acquisition and release of Giant around the call to

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pmap_mincore() in mincore(2).  Either pmap locking exists (alpha, amd64,
i386, ia64) or pmap_mincore() is unimplemented (arm, powerpc, sparc64).
This commit is contained in:
Alan Cox 2004-08-02 03:31:05 +00:00
parent f8fb286a84
commit 21c125453c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=132999
1 changed files with 0 additions and 2 deletions
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2
sys/vm/vm_mmap.c
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@ -767,9 +767,7 @@ mincore(td, uap)
* it can provide info as to whether we are the
* one referencing or modifying the page.
*/
mtx_lock(&Giant);
mincoreinfo = pmap_mincore(pmap, addr);
mtx_unlock(&Giant);
if (!mincoreinfo) {
vm_pindex_t pindex;
vm_ooffset_t offset;